Home / 121,451,693.40-182,177,540.10-109,736,371.80

Finding the Fourth Proportional to 121,451,693.40, 182,177,540.10 and 109,736,371.80

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Solution

The fourth proportional to 121,451,693.40, 182,177,540.10 and 109,736,371.80 is: 164,604,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,451,693.40 : 182,177,540.10 = 109,736,371.80 : x
  2. Step 2: Convert to fraction form
    121,451,693.40/182,177,540.10 = 109,736,371.80/x
  3. Step 3: Cross multiply
    121,451,693.40x = 182,177,540.10 × 109,736,371.80
  4. Step 4: Simplify right side
    121,451,693.40x = 19,991,502,274,023,008
  5. Step 5: Solve for x
    x = 19,991,502,274,023,008/121,451,693.40
  6. Step 6: Final answer
    x = 164,604,557.70

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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.