Home / 154,581,846.40-231,872,769.60-147,947,363.20

Finding the Fourth Proportional to 154,581,846.40, 231,872,769.60 and 147,947,363.20

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Solution

The fourth proportional to 154,581,846.40, 231,872,769.60 and 147,947,363.20 is: 221,921,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,581,846.40 : 231,872,769.60 = 147,947,363.20 : x
  2. Step 2: Convert to fraction form
    154,581,846.40/231,872,769.60 = 147,947,363.20/x
  3. Step 3: Cross multiply
    154,581,846.40x = 231,872,769.60 × 147,947,363.20
  4. Step 4: Simplify right side
    154,581,846.40x = 34,304,964,860,201,116
  5. Step 5: Solve for x
    x = 34,304,964,860,201,116/154,581,846.40
  6. Step 6: Final answer
    x = 221,921,044.80

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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.