Home / 118,098,103.40-177,147,155.10-109,488,759.20

Finding the Fourth Proportional to 118,098,103.40, 177,147,155.10 and 109,488,759.20

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Solution

The fourth proportional to 118,098,103.40, 177,147,155.10 and 109,488,759.20 is: 164,233,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,103.40 : 177,147,155.10 = 109,488,759.20 : x
  2. Step 2: Convert to fraction form
    118,098,103.40/177,147,155.10 = 109,488,759.20/x
  3. Step 3: Cross multiply
    118,098,103.40x = 177,147,155.10 × 109,488,759.20
  4. Step 4: Simplify right side
    118,098,103.40x = 19,395,622,207,708,952
  5. Step 5: Solve for x
    x = 19,395,622,207,708,952/118,098,103.40
  6. Step 6: Final answer
    x = 164,233,138.80

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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.