Home / 71,059,059.60-106,446,871.80-40,731,493.20

Finding the Fourth Proportional to 71,059,059.60, 106,446,871.80 and 40,731,493.20

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Solution

The fourth proportional to 71,059,059.60, 106,446,871.80 and 40,731,493.20 is: 61,016,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059,059.60 : 106,446,871.80 = 40,731,493.20 : x
  2. Step 2: Convert to fraction form
    71,059,059.60/106,446,871.80 = 40,731,493.20/x
  3. Step 3: Cross multiply
    71,059,059.60x = 106,446,871.80 × 40,731,493.20
  4. Step 4: Simplify right side
    71,059,059.60x = 4,335,740,034,882,972
  5. Step 5: Solve for x
    x = 4,335,740,034,882,972/71,059,059.60
  6. Step 6: Final answer
    x = 61,016,006.39

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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.