Home / 80,169,548.16-120,195,432-25,550,703.84

Finding the Fourth Proportional to 80,169,548.16, 120,195,432 and 25,550,703.84

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Solution

The fourth proportional to 80,169,548.16, 120,195,432 and 25,550,703.84 is: 38,307,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,169,548.16 : 120,195,432 = 25,550,703.84 : x
  2. Step 2: Convert to fraction form
    80,169,548.16/120,195,432 = 25,550,703.84/x
  3. Step 3: Cross multiply
    80,169,548.16x = 120,195,432 × 25,550,703.84
  4. Step 4: Simplify right side
    80,169,548.16x = 3,071,077,885,952,859
  5. Step 5: Solve for x
    x = 3,071,077,885,952,859/80,169,548.16
  6. Step 6: Final answer
    x = 38,307,286.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.