Home / 87,221,477.76-120,366,446.45-48,064,655.73

Finding the Fourth Proportional to 87,221,477.76, 120,366,446.45 and 48,064,655.73

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Solution

The fourth proportional to 87,221,477.76, 120,366,446.45 and 48,064,655.73 is: 66,329,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,477.76 : 120,366,446.45 = 48,064,655.73 : x
  2. Step 2: Convert to fraction form
    87,221,477.76/120,366,446.45 = 48,064,655.73/x
  3. Step 3: Cross multiply
    87,221,477.76x = 120,366,446.45 × 48,064,655.73
  4. Step 4: Simplify right side
    87,221,477.76x = 5,785,371,809,822,407
  5. Step 5: Solve for x
    x = 5,785,371,809,822,407/87,221,477.76
  6. Step 6: Final answer
    x = 66,329,669.69

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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.