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Finding the Fourth Proportional to 188,964,542.04, 283,446,816.56 and 45,357,374.04

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Solution

The fourth proportional to 188,964,542.04, 283,446,816.56 and 45,357,374.04 is: 68,036,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,964,542.04 : 283,446,816.56 = 45,357,374.04 : x
  2. Step 2: Convert to fraction form
    188,964,542.04/283,446,816.56 = 45,357,374.04/x
  3. Step 3: Cross multiply
    188,964,542.04x = 283,446,816.56 × 45,357,374.04
  4. Step 4: Simplify right side
    188,964,542.04x = 12,856,403,279,159,186
  5. Step 5: Solve for x
    x = 12,856,403,279,159,186/188,964,542.04
  6. Step 6: Final answer
    x = 68,036,061.90

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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.