Home / 87,428,897.89-131,134,360.08-29,130,279.46

Finding the Fourth Proportional to 87,428,897.89, 131,134,360.08 and 29,130,279.46

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Solution

The fourth proportional to 87,428,897.89, 131,134,360.08 and 29,130,279.46 is: 43,692,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,428,897.89 : 131,134,360.08 = 29,130,279.46 : x
  2. Step 2: Convert to fraction form
    87,428,897.89/131,134,360.08 = 29,130,279.46/x
  3. Step 3: Cross multiply
    87,428,897.89x = 131,134,360.08 × 29,130,279.46
  4. Step 4: Simplify right side
    87,428,897.89x = 3,819,980,555,938,668
  5. Step 5: Solve for x
    x = 3,819,980,555,938,668/87,428,897.89
  6. Step 6: Final answer
    x = 43,692,424.91

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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.