Home / 71,663,609.40-107,495,414.10-39,303,007.80

Finding the Fourth Proportional to 71,663,609.40, 107,495,414.10 and 39,303,007.80

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Solution

The fourth proportional to 71,663,609.40, 107,495,414.10 and 39,303,007.80 is: 58,954,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,663,609.40 : 107,495,414.10 = 39,303,007.80 : x
  2. Step 2: Convert to fraction form
    71,663,609.40/107,495,414.10 = 39,303,007.80/x
  3. Step 3: Cross multiply
    71,663,609.40x = 107,495,414.10 × 39,303,007.80
  4. Step 4: Simplify right side
    71,663,609.40x = 4,224,893,098,836,529.50
  5. Step 5: Solve for x
    x = 4,224,893,098,836,529.50/71,663,609.40
  6. Step 6: Final answer
    x = 58,954,511.70

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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.