Home / 68,896,156.40-103,344,234.60-30,632,404.40

Finding the Fourth Proportional to 68,896,156.40, 103,344,234.60 and 30,632,404.40

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Solution

The fourth proportional to 68,896,156.40, 103,344,234.60 and 30,632,404.40 is: 45,948,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,896,156.40 : 103,344,234.60 = 30,632,404.40 : x
  2. Step 2: Convert to fraction form
    68,896,156.40/103,344,234.60 = 30,632,404.40/x
  3. Step 3: Cross multiply
    68,896,156.40x = 103,344,234.60 × 30,632,404.40
  4. Step 4: Simplify right side
    68,896,156.40x = 3,165,682,386,675,672
  5. Step 5: Solve for x
    x = 3,165,682,386,675,672/68,896,156.40
  6. Step 6: Final answer
    x = 45,948,606.60

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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.