Home / 69,224,390.72-103,755,041.76-28,258,245.44

Finding the Fourth Proportional to 69,224,390.72, 103,755,041.76 and 28,258,245.44

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Solution

The fourth proportional to 69,224,390.72, 103,755,041.76 and 28,258,245.44 is: 42,354,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,224,390.72 : 103,755,041.76 = 28,258,245.44 : x
  2. Step 2: Convert to fraction form
    69,224,390.72/103,755,041.76 = 28,258,245.44/x
  3. Step 3: Cross multiply
    69,224,390.72x = 103,755,041.76 × 28,258,245.44
  4. Step 4: Simplify right side
    69,224,390.72x = 2,931,935,435,691,530
  5. Step 5: Solve for x
    x = 2,931,935,435,691,530/69,224,390.72
  6. Step 6: Final answer
    x = 42,354,080.77

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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.