Home / 261,930,796.20-392,896,194.30-89,413,237.80

Finding the Fourth Proportional to 261,930,796.20, 392,896,194.30 and 89,413,237.80

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Solution

The fourth proportional to 261,930,796.20, 392,896,194.30 and 89,413,237.80 is: 134,119,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,930,796.20 : 392,896,194.30 = 89,413,237.80 : x
  2. Step 2: Convert to fraction form
    261,930,796.20/392,896,194.30 = 89,413,237.80/x
  3. Step 3: Cross multiply
    261,930,796.20x = 392,896,194.30 × 89,413,237.80
  4. Step 4: Simplify right side
    261,930,796.20x = 35,130,120,851,660,904
  5. Step 5: Solve for x
    x = 35,130,120,851,660,904/261,930,796.20
  6. Step 6: Final answer
    x = 134,119,856.70

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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.