Home / 132,859,005.60-199,288,508.40-111,359,920.80

Finding the Fourth Proportional to 132,859,005.60, 199,288,508.40 and 111,359,920.80

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Solution

The fourth proportional to 132,859,005.60, 199,288,508.40 and 111,359,920.80 is: 167,039,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859,005.60 : 199,288,508.40 = 111,359,920.80 : x
  2. Step 2: Convert to fraction form
    132,859,005.60/199,288,508.40 = 111,359,920.80/x
  3. Step 3: Cross multiply
    132,859,005.60x = 199,288,508.40 × 111,359,920.80
  4. Step 4: Simplify right side
    132,859,005.60x = 22,192,752,511,774,136
  5. Step 5: Solve for x
    x = 22,192,752,511,774,136/132,859,005.60
  6. Step 6: Final answer
    x = 167,039,881.20

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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.