Home / 87,854,711.52-121,239,292.08-48,162,172.32

Finding the Fourth Proportional to 87,854,711.52, 121,239,292.08 and 48,162,172.32

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Solution

The fourth proportional to 87,854,711.52, 121,239,292.08 and 48,162,172.32 is: 66,463,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854,711.52 : 121,239,292.08 = 48,162,172.32 : x
  2. Step 2: Convert to fraction form
    87,854,711.52/121,239,292.08 = 48,162,172.32/x
  3. Step 3: Cross multiply
    87,854,711.52x = 121,239,292.08 × 48,162,172.32
  4. Step 4: Simplify right side
    87,854,711.52x = 5,839,147,677,111,771
  5. Step 5: Solve for x
    x = 5,839,147,677,111,771/87,854,711.52
  6. Step 6: Final answer
    x = 66,463,682.78

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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.