Home / 87,005,129.98-120,070,160.47-47,849,937.34

Finding the Fourth Proportional to 87,005,129.98, 120,070,160.47 and 47,849,937.34

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Solution

The fourth proportional to 87,005,129.98, 120,070,160.47 and 47,849,937.34 is: 66,034,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005,129.98 : 120,070,160.47 = 47,849,937.34 : x
  2. Step 2: Convert to fraction form
    87,005,129.98/120,070,160.47 = 47,849,937.34/x
  3. Step 3: Cross multiply
    87,005,129.98x = 120,070,160.47 × 47,849,937.34
  4. Step 4: Simplify right side
    87,005,129.98x = 5,745,349,654,893,245
  5. Step 5: Solve for x
    x = 5,745,349,654,893,245/87,005,129.98
  6. Step 6: Final answer
    x = 66,034,608.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.