Home / 87,276,966.67-120,557,182.66-64,691,125.89

Finding the Fourth Proportional to 87,276,966.67, 120,557,182.66 and 64,691,125.89

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Solution

The fourth proportional to 87,276,966.67, 120,557,182.66 and 64,691,125.89 is: 89,358,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276,966.67 : 120,557,182.66 = 64,691,125.89 : x
  2. Step 2: Convert to fraction form
    87,276,966.67/120,557,182.66 = 64,691,125.89/x
  3. Step 3: Cross multiply
    87,276,966.67x = 120,557,182.66 × 64,691,125.89
  4. Step 4: Simplify right side
    87,276,966.67x = 7,798,979,879,787,967
  5. Step 5: Solve for x
    x = 7,798,979,879,787,967/87,276,966.67
  6. Step 6: Final answer
    x = 89,358,970.38

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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.