Home / 115,981,020.40-173,822,231.40-88,920,540.40

Finding the Fourth Proportional to 115,981,020.40, 173,822,231.40 and 88,920,540.40

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Solution

The fourth proportional to 115,981,020.40, 173,822,231.40 and 88,920,540.40 is: 133,266,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,981,020.40 : 173,822,231.40 = 88,920,540.40 : x
  2. Step 2: Convert to fraction form
    115,981,020.40/173,822,231.40 = 88,920,540.40/x
  3. Step 3: Cross multiply
    115,981,020.40x = 173,822,231.40 × 88,920,540.40
  4. Step 4: Simplify right side
    115,981,020.40x = 15,456,366,749,621,850
  5. Step 5: Solve for x
    x = 15,456,366,749,621,850/115,981,020.40
  6. Step 6: Final answer
    x = 133,266,345.62

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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.