Home / 118,548,278.40-177,486,494.40-106,455,043.20

Finding the Fourth Proportional to 118,548,278.40, 177,486,494.40 and 106,455,043.20

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Solution

The fourth proportional to 118,548,278.40, 177,486,494.40 and 106,455,043.20 is: 159,380,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548,278.40 : 177,486,494.40 = 106,455,043.20 : x
  2. Step 2: Convert to fraction form
    118,548,278.40/177,486,494.40 = 106,455,043.20/x
  3. Step 3: Cross multiply
    118,548,278.40x = 177,486,494.40 × 106,455,043.20
  4. Step 4: Simplify right side
    118,548,278.40x = 18,894,332,428,768,560
  5. Step 5: Solve for x
    x = 18,894,332,428,768,560/118,548,278.40
  6. Step 6: Final answer
    x = 159,380,909.48

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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.