Home / 154,557,665.40-231,836,498.10-82,894,049.40

Finding the Fourth Proportional to 154,557,665.40, 231,836,498.10 and 82,894,049.40

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Solution

The fourth proportional to 154,557,665.40, 231,836,498.10 and 82,894,049.40 is: 124,341,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,665.40 : 231,836,498.10 = 82,894,049.40 : x
  2. Step 2: Convert to fraction form
    154,557,665.40/231,836,498.10 = 82,894,049.40/x
  3. Step 3: Cross multiply
    154,557,665.40x = 231,836,498.10 × 82,894,049.40
  4. Step 4: Simplify right side
    154,557,665.40x = 19,217,866,126,224,408
  5. Step 5: Solve for x
    x = 19,217,866,126,224,408/154,557,665.40
  6. Step 6: Final answer
    x = 124,341,074.10

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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.