Home / 118,098,270.60-177,147,405.90-66,442,205.40

Finding the Fourth Proportional to 118,098,270.60, 177,147,405.90 and 66,442,205.40

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Solution

The fourth proportional to 118,098,270.60, 177,147,405.90 and 66,442,205.40 is: 99,663,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,270.60 : 177,147,405.90 = 66,442,205.40 : x
  2. Step 2: Convert to fraction form
    118,098,270.60/177,147,405.90 = 66,442,205.40/x
  3. Step 3: Cross multiply
    118,098,270.60x = 177,147,405.90 × 66,442,205.40
  4. Step 4: Simplify right side
    118,098,270.60x = 11,770,064,328,884,972
  5. Step 5: Solve for x
    x = 11,770,064,328,884,972/118,098,270.60
  6. Step 6: Final answer
    x = 99,663,308.10

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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.