Home / 178,498,243.57-266,545,355.39-145,773,730.33

Finding the Fourth Proportional to 178,498,243.57, 266,545,355.39 and 145,773,730.33

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Solution

The fourth proportional to 178,498,243.57, 266,545,355.39 and 145,773,730.33 is: 217,678,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,498,243.57 : 266,545,355.39 = 145,773,730.33 : x
  2. Step 2: Convert to fraction form
    178,498,243.57/266,545,355.39 = 145,773,730.33/x
  3. Step 3: Cross multiply
    178,498,243.57x = 266,545,355.39 × 145,773,730.33
  4. Step 4: Simplify right side
    178,498,243.57x = 38,855,310,757,335,872
  5. Step 5: Solve for x
    x = 38,855,310,757,335,872/178,498,243.57
  6. Step 6: Final answer
    x = 217,678,952.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.