Home / 154,409,862.30-231,614,793.45-52,172,423.70

Finding the Fourth Proportional to 154,409,862.30, 231,614,793.45 and 52,172,423.70

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Solution

The fourth proportional to 154,409,862.30, 231,614,793.45 and 52,172,423.70 is: 78,258,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409,862.30 : 231,614,793.45 = 52,172,423.70 : x
  2. Step 2: Convert to fraction form
    154,409,862.30/231,614,793.45 = 52,172,423.70/x
  3. Step 3: Cross multiply
    154,409,862.30x = 231,614,793.45 × 52,172,423.70
  4. Step 4: Simplify right side
    154,409,862.30x = 12,083,905,139,061,384
  5. Step 5: Solve for x
    x = 12,083,905,139,061,384/154,409,862.30
  6. Step 6: Final answer
    x = 78,258,635.55

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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.