Home / 121,451,446.40-182,177,169.60-109,736,124.80

Finding the Fourth Proportional to 121,451,446.40, 182,177,169.60 and 109,736,124.80

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Solution

The fourth proportional to 121,451,446.40, 182,177,169.60 and 109,736,124.80 is: 164,604,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,451,446.40 : 182,177,169.60 = 109,736,124.80 : x
  2. Step 2: Convert to fraction form
    121,451,446.40/182,177,169.60 = 109,736,124.80/x
  3. Step 3: Cross multiply
    121,451,446.40x = 182,177,169.60 × 109,736,124.80
  4. Step 4: Simplify right side
    121,451,446.40x = 19,991,416,618,936,364
  5. Step 5: Solve for x
    x = 19,991,416,618,936,364/121,451,446.40
  6. Step 6: Final answer
    x = 164,604,187.20

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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.