Home / 87,711,165.50-121,052,225.72-50,043,604.28

Finding the Fourth Proportional to 87,711,165.50, 121,052,225.72 and 50,043,604.28

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Solution

The fourth proportional to 87,711,165.50, 121,052,225.72 and 50,043,604.28 is: 69,066,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,711,165.50 : 121,052,225.72 = 50,043,604.28 : x
  2. Step 2: Convert to fraction form
    87,711,165.50/121,052,225.72 = 50,043,604.28/x
  3. Step 3: Cross multiply
    87,711,165.50x = 121,052,225.72 × 50,043,604.28
  4. Step 4: Simplify right side
    87,711,165.50x = 6,057,889,680,664,766
  5. Step 5: Solve for x
    x = 6,057,889,680,664,766/87,711,165.50
  6. Step 6: Final answer
    x = 69,066,345.73

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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.