Home / 118,098,007.20-177,147,010.80-31,845,132.90

Finding the Fourth Proportional to 118,098,007.20, 177,147,010.80 and 31,845,132.90

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Solution

The fourth proportional to 118,098,007.20, 177,147,010.80 and 31,845,132.90 is: 47,767,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,007.20 : 177,147,010.80 = 31,845,132.90 : x
  2. Step 2: Convert to fraction form
    118,098,007.20/177,147,010.80 = 31,845,132.90/x
  3. Step 3: Cross multiply
    118,098,007.20x = 177,147,010.80 × 31,845,132.90
  4. Step 4: Simplify right side
    118,098,007.20x = 5,641,270,101,763,735
  5. Step 5: Solve for x
    x = 5,641,270,101,763,735/118,098,007.20
  6. Step 6: Final answer
    x = 47,767,699.35

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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.