Home / 118,098,209.40-177,147,314.10-66,442,144.20

Finding the Fourth Proportional to 118,098,209.40, 177,147,314.10 and 66,442,144.20

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Solution

The fourth proportional to 118,098,209.40, 177,147,314.10 and 66,442,144.20 is: 99,663,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,209.40 : 177,147,314.10 = 66,442,144.20 : x
  2. Step 2: Convert to fraction form
    118,098,209.40/177,147,314.10 = 66,442,144.20/x
  3. Step 3: Cross multiply
    118,098,209.40x = 177,147,314.10 × 66,442,144.20
  4. Step 4: Simplify right side
    118,098,209.40x = 11,770,047,388,074,894
  5. Step 5: Solve for x
    x = 11,770,047,388,074,894/118,098,209.40
  6. Step 6: Final answer
    x = 99,663,216.30

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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.