Home / 136,315,115.40-204,467,424.30-45,438,704.40

Finding the Fourth Proportional to 136,315,115.40, 204,467,424.30 and 45,438,704.40

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Solution

The fourth proportional to 136,315,115.40, 204,467,424.30 and 45,438,704.40 is: 68,156,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,315,115.40 : 204,467,424.30 = 45,438,704.40 : x
  2. Step 2: Convert to fraction form
    136,315,115.40/204,467,424.30 = 45,438,704.40/x
  3. Step 3: Cross multiply
    136,315,115.40x = 204,467,424.30 × 45,438,704.40
  4. Step 4: Simplify right side
    136,315,115.40x = 9,290,734,852,197,078
  5. Step 5: Solve for x
    x = 9,290,734,852,197,078/136,315,115.40
  6. Step 6: Final answer
    x = 68,156,306.99

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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.