Home / 178,498,242.57-266,545,353.90-145,773,729.33

Finding the Fourth Proportional to 178,498,242.57, 266,545,353.90 and 145,773,729.33

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Solution

The fourth proportional to 178,498,242.57, 266,545,353.90 and 145,773,729.33 is: 217,678,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,498,242.57 : 266,545,353.90 = 145,773,729.33 : x
  2. Step 2: Convert to fraction form
    178,498,242.57/266,545,353.90 = 145,773,729.33/x
  3. Step 3: Cross multiply
    178,498,242.57x = 266,545,353.90 × 145,773,729.33
  4. Step 4: Simplify right side
    178,498,242.57x = 38,855,310,273,587,664
  5. Step 5: Solve for x
    x = 38,855,310,273,587,664/178,498,242.57
  6. Step 6: Final answer
    x = 217,678,951.42

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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.