Home / 87,692,520.34-121,015,937.01-48,537,016.66

Finding the Fourth Proportional to 87,692,520.34, 121,015,937.01 and 48,537,016.66

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Solution

The fourth proportional to 87,692,520.34, 121,015,937.01 and 48,537,016.66 is: 66,981,226.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692,520.34 : 121,015,937.01 = 48,537,016.66 : x
  2. Step 2: Convert to fraction form
    87,692,520.34/121,015,937.01 = 48,537,016.66/x
  3. Step 3: Cross multiply
    87,692,520.34x = 121,015,937.01 × 48,537,016.66
  4. Step 4: Simplify right side
    87,692,520.34x = 5,873,752,550,779,880
  5. Step 5: Solve for x
    x = 5,873,752,550,779,880/87,692,520.34
  6. Step 6: Final answer
    x = 66,981,226.31

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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.