Home / 68,762,658.24-103,108,492.16-20,234,205.12

Finding the Fourth Proportional to 68,762,658.24, 103,108,492.16 and 20,234,205.12

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Solution

The fourth proportional to 68,762,658.24, 103,108,492.16 and 20,234,205.12 is: 30,340,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,762,658.24 : 103,108,492.16 = 20,234,205.12 : x
  2. Step 2: Convert to fraction form
    68,762,658.24/103,108,492.16 = 20,234,205.12/x
  3. Step 3: Cross multiply
    68,762,658.24x = 103,108,492.16 × 20,234,205.12
  4. Step 4: Simplify right side
    68,762,658.24x = 2,086,318,379,979,352
  5. Step 5: Solve for x
    x = 2,086,318,379,979,352/68,762,658.24
  6. Step 6: Final answer
    x = 30,340,862.81

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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.