Home / 87,732,453.17-121,072,632.56-48,041,650.85

Finding the Fourth Proportional to 87,732,453.17, 121,072,632.56 and 48,041,650.85

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Solution

The fourth proportional to 87,732,453.17, 121,072,632.56 and 48,041,650.85 is: 66,298,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,732,453.17 : 121,072,632.56 = 48,041,650.85 : x
  2. Step 2: Convert to fraction form
    87,732,453.17/121,072,632.56 = 48,041,650.85/x
  3. Step 3: Cross multiply
    87,732,453.17x = 121,072,632.56 × 48,041,650.85
  4. Step 4: Simplify right side
    87,732,453.17x = 5,816,529,140,697,654
  5. Step 5: Solve for x
    x = 5,816,529,140,697,654/87,732,453.17
  6. Step 6: Final answer
    x = 66,298,489.68

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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.