Home / 90,091,909.60-135,087,475.92-29,502,561.76

Finding the Fourth Proportional to 90,091,909.60, 135,087,475.92 and 29,502,561.76

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Solution

The fourth proportional to 90,091,909.60, 135,087,475.92 and 29,502,561.76 is: 44,237,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,091,909.60 : 135,087,475.92 = 29,502,561.76 : x
  2. Step 2: Convert to fraction form
    90,091,909.60/135,087,475.92 = 29,502,561.76/x
  3. Step 3: Cross multiply
    90,091,909.60x = 135,087,475.92 × 29,502,561.76
  4. Step 4: Simplify right side
    90,091,909.60x = 3,985,426,601,332,312.50
  5. Step 5: Solve for x
    x = 3,985,426,601,332,312.50/90,091,909.60
  6. Step 6: Final answer
    x = 44,237,341.83

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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.