Home / 66,423,377.92-99,648,516.80-28,084,830.56

Finding the Fourth Proportional to 66,423,377.92, 99,648,516.80 and 28,084,830.56

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Solution

The fourth proportional to 66,423,377.92, 99,648,516.80 and 28,084,830.56 is: 42,132,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423,377.92 : 99,648,516.80 = 28,084,830.56 : x
  2. Step 2: Convert to fraction form
    66,423,377.92/99,648,516.80 = 28,084,830.56/x
  3. Step 3: Cross multiply
    66,423,377.92x = 99,648,516.80 × 28,084,830.56
  4. Step 4: Simplify right side
    66,423,377.92x = 2,798,611,709,883,313
  5. Step 5: Solve for x
    x = 2,798,611,709,883,313/66,423,377.92
  6. Step 6: Final answer
    x = 42,132,932.67

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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.