Home / 87,406,369.48-120,620,110.02-48,248,158.72

Finding the Fourth Proportional to 87,406,369.48, 120,620,110.02 and 48,248,158.72

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Solution

The fourth proportional to 87,406,369.48, 120,620,110.02 and 48,248,158.72 is: 66,582,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406,369.48 : 120,620,110.02 = 48,248,158.72 : x
  2. Step 2: Convert to fraction form
    87,406,369.48/120,620,110.02 = 48,248,158.72/x
  3. Step 3: Cross multiply
    87,406,369.48x = 120,620,110.02 × 48,248,158.72
  4. Step 4: Simplify right side
    87,406,369.48x = 5,819,698,213,068,822
  5. Step 5: Solve for x
    x = 5,819,698,213,068,822/87,406,369.48
  6. Step 6: Final answer
    x = 66,582,083.75

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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.