Home / 87,137,862.48-130,720,979.52-25,733,231.28

Finding the Fourth Proportional to 87,137,862.48, 130,720,979.52 and 25,733,231.28

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Solution

The fourth proportional to 87,137,862.48, 130,720,979.52 and 25,733,231.28 is: 38,604,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,137,862.48 : 130,720,979.52 = 25,733,231.28 : x
  2. Step 2: Convert to fraction form
    87,137,862.48/130,720,979.52 = 25,733,231.28/x
  3. Step 3: Cross multiply
    87,137,862.48x = 130,720,979.52 × 25,733,231.28
  4. Step 4: Simplify right side
    87,137,862.48x = 3,363,873,199,136,303.50
  5. Step 5: Solve for x
    x = 3,363,873,199,136,303.50/87,137,862.48
  6. Step 6: Final answer
    x = 38,604,036.22

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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.