Home / 153,144,791.28-229,816,565.28-91,687,641.84

Finding the Fourth Proportional to 153,144,791.28, 229,816,565.28 and 91,687,641.84

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Solution

The fourth proportional to 153,144,791.28, 229,816,565.28 and 91,687,641.84 is: 137,590,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,144,791.28 : 229,816,565.28 = 91,687,641.84 : x
  2. Step 2: Convert to fraction form
    153,144,791.28/229,816,565.28 = 91,687,641.84/x
  3. Step 3: Cross multiply
    153,144,791.28x = 229,816,565.28 × 91,687,641.84
  4. Step 4: Simplify right side
    153,144,791.28x = 21,071,338,926,291,620
  5. Step 5: Solve for x
    x = 21,071,338,926,291,620/153,144,791.28
  6. Step 6: Final answer
    x = 137,590,960.49

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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.