Home / 72,476,181.55-108,700,241.96-28,160,391.44

Finding the Fourth Proportional to 72,476,181.55, 108,700,241.96 and 28,160,391.44

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Solution

The fourth proportional to 72,476,181.55, 108,700,241.96 and 28,160,391.44 is: 42,235,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,476,181.55 : 108,700,241.96 = 28,160,391.44 : x
  2. Step 2: Convert to fraction form
    72,476,181.55/108,700,241.96 = 28,160,391.44/x
  3. Step 3: Cross multiply
    72,476,181.55x = 108,700,241.96 × 28,160,391.44
  4. Step 4: Simplify right side
    72,476,181.55x = 3,061,041,363,286,686.50
  5. Step 5: Solve for x
    x = 3,061,041,363,286,686.50/72,476,181.55
  6. Step 6: Final answer
    x = 42,235,135.70

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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.