Home / 87,988,512.60-132,030,008.10-36,875,698.20

Finding the Fourth Proportional to 87,988,512.60, 132,030,008.10 and 36,875,698.20

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Solution

The fourth proportional to 87,988,512.60, 132,030,008.10 and 36,875,698.20 is: 55,333,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,988,512.60 : 132,030,008.10 = 36,875,698.20 : x
  2. Step 2: Convert to fraction form
    87,988,512.60/132,030,008.10 = 36,875,698.20/x
  3. Step 3: Cross multiply
    87,988,512.60x = 132,030,008.10 × 36,875,698.20
  4. Step 4: Simplify right side
    87,988,512.60x = 4,868,698,732,039,156
  5. Step 5: Solve for x
    x = 4,868,698,732,039,156/87,988,512.60
  6. Step 6: Final answer
    x = 55,333,345.09

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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.