Home / 118,098,212.80-177,147,319.20-79,551,025.60

Finding the Fourth Proportional to 118,098,212.80, 177,147,319.20 and 79,551,025.60

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Solution

The fourth proportional to 118,098,212.80, 177,147,319.20 and 79,551,025.60 is: 119,326,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,212.80 : 177,147,319.20 = 79,551,025.60 : x
  2. Step 2: Convert to fraction form
    118,098,212.80/177,147,319.20 = 79,551,025.60/x
  3. Step 3: Cross multiply
    118,098,212.80x = 177,147,319.20 × 79,551,025.60
  4. Step 4: Simplify right side
    118,098,212.80x = 14,092,250,924,650,570
  5. Step 5: Solve for x
    x = 14,092,250,924,650,570/118,098,212.80
  6. Step 6: Final answer
    x = 119,326,538.40

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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.