Home / 82,610,023.60-123,915,035.40-39,563,302.60

Finding the Fourth Proportional to 82,610,023.60, 123,915,035.40 and 39,563,302.60

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Solution

The fourth proportional to 82,610,023.60, 123,915,035.40 and 39,563,302.60 is: 59,344,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,610,023.60 : 123,915,035.40 = 39,563,302.60 : x
  2. Step 2: Convert to fraction form
    82,610,023.60/123,915,035.40 = 39,563,302.60/x
  3. Step 3: Cross multiply
    82,610,023.60x = 123,915,035.40 × 39,563,302.60
  4. Step 4: Simplify right side
    82,610,023.60x = 4,902,488,042,219,912
  5. Step 5: Solve for x
    x = 4,902,488,042,219,912/82,610,023.60
  6. Step 6: Final answer
    x = 59,344,953.90

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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.