Home / 87,004,527.23-120,032,265.69-49,814,931.92

Finding the Fourth Proportional to 87,004,527.23, 120,032,265.69 and 49,814,931.92

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Solution

The fourth proportional to 87,004,527.23, 120,032,265.69 and 49,814,931.92 is: 68,725,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004,527.23 : 120,032,265.69 = 49,814,931.92 : x
  2. Step 2: Convert to fraction form
    87,004,527.23/120,032,265.69 = 49,814,931.92/x
  3. Step 3: Cross multiply
    87,004,527.23x = 120,032,265.69 × 49,814,931.92
  4. Step 4: Simplify right side
    87,004,527.23x = 5,979,399,143,550,702
  5. Step 5: Solve for x
    x = 5,979,399,143,550,702/87,004,527.23
  6. Step 6: Final answer
    x = 68,725,149.53

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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.