Home / 71,280,406.96-106,739,753.56-59,735,515.52

Finding the Fourth Proportional to 71,280,406.96, 106,739,753.56 and 59,735,515.52

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Solution

The fourth proportional to 71,280,406.96, 106,739,753.56 and 59,735,515.52 is: 89,451,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280,406.96 : 106,739,753.56 = 59,735,515.52 : x
  2. Step 2: Convert to fraction form
    71,280,406.96/106,739,753.56 = 59,735,515.52/x
  3. Step 3: Cross multiply
    71,280,406.96x = 106,739,753.56 × 59,735,515.52
  4. Step 4: Simplify right side
    71,280,406.96x = 6,376,154,205,501,866
  5. Step 5: Solve for x
    x = 6,376,154,205,501,866/71,280,406.96
  6. Step 6: Final answer
    x = 89,451,708.79

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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.