Home / 90,965,121,966.45-136,447,682,949.67-90,965,121,966.45

Finding the Fourth Proportional to 90,965,121,966.45, 136,447,682,949.67 and 90,965,121,966.45

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Solution

The fourth proportional to 90,965,121,966.45, 136,447,682,949.67 and 90,965,121,966.45 is: 136,447,682,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,965,121,966.45 : 136,447,682,949.67 = 90,965,121,966.45 : x
  2. Step 2: Convert to fraction form
    90,965,121,966.45/136,447,682,949.67 = 90,965,121,966.45/x
  3. Step 3: Cross multiply
    90,965,121,966.45x = 136,447,682,949.67 × 90,965,121,966.45
  4. Step 4: Simplify right side
    90,965,121,966.45x = 12,411,980,121,556,230,602,752
  5. Step 5: Solve for x
    x = 12,411,980,121,556,230,602,752/90,965,121,966.45
  6. Step 6: Final answer
    x = 136,447,682,949.67

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.