Home / 87,137,863.48-130,720,981.02-25,733,232.28

Finding the Fourth Proportional to 87,137,863.48, 130,720,981.02 and 25,733,232.28

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Solution

The fourth proportional to 87,137,863.48, 130,720,981.02 and 25,733,232.28 is: 38,604,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,137,863.48 : 130,720,981.02 = 25,733,232.28 : x
  2. Step 2: Convert to fraction form
    87,137,863.48/130,720,981.02 = 25,733,232.28/x
  3. Step 3: Cross multiply
    87,137,863.48x = 130,720,981.02 × 25,733,232.28
  4. Step 4: Simplify right side
    87,137,863.48x = 3,363,873,368,457,131.50
  5. Step 5: Solve for x
    x = 3,363,873,368,457,131.50/87,137,863.48
  6. Step 6: Final answer
    x = 38,604,037.72

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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.