Home / 87,840,833.64-121,220,361.68-48,685,138.29

Finding the Fourth Proportional to 87,840,833.64, 121,220,361.68 and 48,685,138.29

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Solution

The fourth proportional to 87,840,833.64, 121,220,361.68 and 48,685,138.29 is: 67,185,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,840,833.64 : 121,220,361.68 = 48,685,138.29 : x
  2. Step 2: Convert to fraction form
    87,840,833.64/121,220,361.68 = 48,685,138.29/x
  3. Step 3: Cross multiply
    87,840,833.64x = 121,220,361.68 × 48,685,138.29
  4. Step 4: Simplify right side
    87,840,833.64x = 5,901,630,071,711,191
  5. Step 5: Solve for x
    x = 5,901,630,071,711,191/87,840,833.64
  6. Step 6: Final answer
    x = 67,185,497.08

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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.