Home / 89,800,246.80-134,700,370.20-68,276,886.30

Finding the Fourth Proportional to 89,800,246.80, 134,700,370.20 and 68,276,886.30

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Solution

The fourth proportional to 89,800,246.80, 134,700,370.20 and 68,276,886.30 is: 102,415,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,800,246.80 : 134,700,370.20 = 68,276,886.30 : x
  2. Step 2: Convert to fraction form
    89,800,246.80/134,700,370.20 = 68,276,886.30/x
  3. Step 3: Cross multiply
    89,800,246.80x = 134,700,370.20 × 68,276,886.30
  4. Step 4: Simplify right side
    89,800,246.80x = 9,196,921,860,713,308
  5. Step 5: Solve for x
    x = 9,196,921,860,713,308/89,800,246.80
  6. Step 6: Final answer
    x = 102,415,329.45

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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.