Home / 118,346,728.20-177,394,121.10-45,535,374.60

Finding the Fourth Proportional to 118,346,728.20, 177,394,121.10 and 45,535,374.60

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Solution

The fourth proportional to 118,346,728.20, 177,394,121.10 and 45,535,374.60 is: 68,254,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346,728.20 : 177,394,121.10 = 45,535,374.60 : x
  2. Step 2: Convert to fraction form
    118,346,728.20/177,394,121.10 = 45,535,374.60/x
  3. Step 3: Cross multiply
    118,346,728.20x = 177,394,121.10 × 45,535,374.60
  4. Step 4: Simplify right side
    118,346,728.20x = 8,077,707,756,126,264
  5. Step 5: Solve for x
    x = 8,077,707,756,126,264/118,346,728.20
  6. Step 6: Final answer
    x = 68,254,592.92

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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.