Home / 87,369,626.46-120,572,646.92-47,679,719.86

Finding the Fourth Proportional to 87,369,626.46, 120,572,646.92 and 47,679,719.86

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Solution

The fourth proportional to 87,369,626.46, 120,572,646.92 and 47,679,719.86 is: 65,799,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,369,626.46 : 120,572,646.92 = 47,679,719.86 : x
  2. Step 2: Convert to fraction form
    87,369,626.46/120,572,646.92 = 47,679,719.86/x
  3. Step 3: Cross multiply
    87,369,626.46x = 120,572,646.92 × 47,679,719.86
  4. Step 4: Simplify right side
    87,369,626.46x = 5,748,870,027,924,292
  5. Step 5: Solve for x
    x = 5,748,870,027,924,292/87,369,626.46
  6. Step 6: Final answer
    x = 65,799,411.77

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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.