Home / 123,732,020.70-185,796,319.05-98,383,815.90

Finding the Fourth Proportional to 123,732,020.70, 185,796,319.05 and 98,383,815.90

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Solution

The fourth proportional to 123,732,020.70, 185,796,319.05 and 98,383,815.90 is: 147,733,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,732,020.70 : 185,796,319.05 = 98,383,815.90 : x
  2. Step 2: Convert to fraction form
    123,732,020.70/185,796,319.05 = 98,383,815.90/x
  3. Step 3: Cross multiply
    123,732,020.70x = 185,796,319.05 × 98,383,815.90
  4. Step 4: Simplify right side
    123,732,020.70x = 18,279,350,848,312,864
  5. Step 5: Solve for x
    x = 18,279,350,848,312,864/123,732,020.70
  6. Step 6: Final answer
    x = 147,733,389.83

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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.