Home / 87,854,720.87-121,239,305.60-48,162,181.11

Finding the Fourth Proportional to 87,854,720.87, 121,239,305.60 and 48,162,181.11

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Solution

The fourth proportional to 87,854,720.87, 121,239,305.60 and 48,162,181.11 is: 66,463,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854,720.87 : 121,239,305.60 = 48,162,181.11 : x
  2. Step 2: Convert to fraction form
    87,854,720.87/121,239,305.60 = 48,162,181.11/x
  3. Step 3: Cross multiply
    87,854,720.87x = 121,239,305.60 × 48,162,181.11
  4. Step 4: Simplify right side
    87,854,720.87x = 5,839,149,393,717,026
  5. Step 5: Solve for x
    x = 5,839,149,393,717,026/87,854,720.87
  6. Step 6: Final answer
    x = 66,463,695.25

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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.