Home / 111,024,000.10-166,536,000.15-72,056,908.90

Finding the Fourth Proportional to 111,024,000.10, 166,536,000.15 and 72,056,908.90

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Solution

The fourth proportional to 111,024,000.10, 166,536,000.15 and 72,056,908.90 is: 108,085,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,024,000.10 : 166,536,000.15 = 72,056,908.90 : x
  2. Step 2: Convert to fraction form
    111,024,000.10/166,536,000.15 = 72,056,908.90/x
  3. Step 3: Cross multiply
    111,024,000.10x = 166,536,000.15 × 72,056,908.90
  4. Step 4: Simplify right side
    111,024,000.10x = 12,000,069,391,378,938
  5. Step 5: Solve for x
    x = 12,000,069,391,378,938/111,024,000.10
  6. Step 6: Final answer
    x = 108,085,363.35

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1.5x scale

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.