Home / 118,098,034.20-177,147,051.30-72,685,416.60

Finding the Fourth Proportional to 118,098,034.20, 177,147,051.30 and 72,685,416.60

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Solution

The fourth proportional to 118,098,034.20, 177,147,051.30 and 72,685,416.60 is: 109,028,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,034.20 : 177,147,051.30 = 72,685,416.60 : x
  2. Step 2: Convert to fraction form
    118,098,034.20/177,147,051.30 = 72,685,416.60/x
  3. Step 3: Cross multiply
    118,098,034.20x = 177,147,051.30 × 72,685,416.60
  4. Step 4: Simplify right side
    118,098,034.20x = 12,876,007,223,202,072
  5. Step 5: Solve for x
    x = 12,876,007,223,202,072/118,098,034.20
  6. Step 6: Final answer
    x = 109,028,124.90

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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.