Home / 102,872,532.68-141,963,906.58-58,820,358.76

Finding the Fourth Proportional to 102,872,532.68, 141,963,906.58 and 58,820,358.76

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Solution

The fourth proportional to 102,872,532.68, 141,963,906.58 and 58,820,358.76 is: 81,171,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,872,532.68 : 141,963,906.58 = 58,820,358.76 : x
  2. Step 2: Convert to fraction form
    102,872,532.68/141,963,906.58 = 58,820,358.76/x
  3. Step 3: Cross multiply
    102,872,532.68x = 141,963,906.58 × 58,820,358.76
  4. Step 4: Simplify right side
    102,872,532.68x = 8,350,367,916,006,725
  5. Step 5: Solve for x
    x = 8,350,367,916,006,725/102,872,532.68
  6. Step 6: Final answer
    x = 81,171,987.30

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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.