Home / 54,435,909.70-81,653,864.55-18,534,117.70

Finding the Fourth Proportional to 54,435,909.70, 81,653,864.55 and 18,534,117.70

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Solution

The fourth proportional to 54,435,909.70, 81,653,864.55 and 18,534,117.70 is: 27,801,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,909.70 : 81,653,864.55 = 18,534,117.70 : x
  2. Step 2: Convert to fraction form
    54,435,909.70/81,653,864.55 = 18,534,117.70/x
  3. Step 3: Cross multiply
    54,435,909.70x = 81,653,864.55 × 18,534,117.70
  4. Step 4: Simplify right side
    54,435,909.70x = 1,513,382,336,229,557.50
  5. Step 5: Solve for x
    x = 1,513,382,336,229,557.50/54,435,909.70
  6. Step 6: Final answer
    x = 27,801,176.55

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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.