Home / 225,974,680.40-338,962,020.60-72,636,237.20

Finding the Fourth Proportional to 225,974,680.40, 338,962,020.60 and 72,636,237.20

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Solution

The fourth proportional to 225,974,680.40, 338,962,020.60 and 72,636,237.20 is: 108,954,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,974,680.40 : 338,962,020.60 = 72,636,237.20 : x
  2. Step 2: Convert to fraction form
    225,974,680.40/338,962,020.60 = 72,636,237.20/x
  3. Step 3: Cross multiply
    225,974,680.40x = 338,962,020.60 × 72,636,237.20
  4. Step 4: Simplify right side
    225,974,680.40x = 24,620,925,730,092,888
  5. Step 5: Solve for x
    x = 24,620,925,730,092,888/225,974,680.40
  6. Step 6: Final answer
    x = 108,954,355.80

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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.