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Finding the Fourth Proportional to 242,668,347.78, 363,424,724.52 and 154,958,184.12

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Solution

The fourth proportional to 242,668,347.78, 363,424,724.52 and 154,958,184.12 is: 232,068,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,668,347.78 : 363,424,724.52 = 154,958,184.12 : x
  2. Step 2: Convert to fraction form
    242,668,347.78/363,424,724.52 = 154,958,184.12/x
  3. Step 3: Cross multiply
    242,668,347.78x = 363,424,724.52 × 154,958,184.12
  4. Step 4: Simplify right side
    242,668,347.78x = 56,315,635,375,930,440
  5. Step 5: Solve for x
    x = 56,315,635,375,930,440/242,668,347.78
  6. Step 6: Final answer
    x = 232,068,318.31

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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.