Home / 87,829,279.20-121,208,259.60-48,670,967.52

Finding the Fourth Proportional to 87,829,279.20, 121,208,259.60 and 48,670,967.52

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Solution

The fourth proportional to 87,829,279.20, 121,208,259.60 and 48,670,967.52 is: 67,168,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,829,279.20 : 121,208,259.60 = 48,670,967.52 : x
  2. Step 2: Convert to fraction form
    87,829,279.20/121,208,259.60 = 48,670,967.52/x
  3. Step 3: Cross multiply
    87,829,279.20x = 121,208,259.60 × 48,670,967.52
  4. Step 4: Simplify right side
    87,829,279.20x = 5,899,323,266,147,328
  5. Step 5: Solve for x
    x = 5,899,323,266,147,328/87,829,279.20
  6. Step 6: Final answer
    x = 67,168,071.06

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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.