Home / 148,323,151.20-222,579,205.20-86,912,191.20

Finding the Fourth Proportional to 148,323,151.20, 222,579,205.20 and 86,912,191.20

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Solution

The fourth proportional to 148,323,151.20, 222,579,205.20 and 86,912,191.20 is: 130,423,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,323,151.20 : 222,579,205.20 = 86,912,191.20 : x
  2. Step 2: Convert to fraction form
    148,323,151.20/222,579,205.20 = 86,912,191.20/x
  3. Step 3: Cross multiply
    148,323,151.20x = 222,579,205.20 × 86,912,191.20
  4. Step 4: Simplify right side
    148,323,151.20x = 19,344,846,439,486,432
  5. Step 5: Solve for x
    x = 19,344,846,439,486,432/148,323,151.20
  6. Step 6: Final answer
    x = 130,423,647.85

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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.