Home / 87,102,001.40-130,653,002.10-26,509,854.20

Finding the Fourth Proportional to 87,102,001.40, 130,653,002.10 and 26,509,854.20

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Solution

The fourth proportional to 87,102,001.40, 130,653,002.10 and 26,509,854.20 is: 39,764,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,102,001.40 : 130,653,002.10 = 26,509,854.20 : x
  2. Step 2: Convert to fraction form
    87,102,001.40/130,653,002.10 = 26,509,854.20/x
  3. Step 3: Cross multiply
    87,102,001.40x = 130,653,002.10 × 26,509,854.20
  4. Step 4: Simplify right side
    87,102,001.40x = 3,463,592,036,463,293.50
  5. Step 5: Solve for x
    x = 3,463,592,036,463,293.50/87,102,001.40
  6. Step 6: Final answer
    x = 39,764,781.30

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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.