Home / 118,148,134.40-177,138,220.80-45,336,780.80

Finding the Fourth Proportional to 118,148,134.40, 177,138,220.80 and 45,336,780.80

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Solution

The fourth proportional to 118,148,134.40, 177,138,220.80 and 45,336,780.80 is: 67,972,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,148,134.40 : 177,138,220.80 = 45,336,780.80 : x
  2. Step 2: Convert to fraction form
    118,148,134.40/177,138,220.80 = 45,336,780.80/x
  3. Step 3: Cross multiply
    118,148,134.40x = 177,138,220.80 × 45,336,780.80
  4. Step 4: Simplify right side
    118,148,134.40x = 8,030,876,687,711,601
  5. Step 5: Solve for x
    x = 8,030,876,687,711,601/118,148,134.40
  6. Step 6: Final answer
    x = 67,972,945.39

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1.5x scale

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.