Home / 72,536,534.10-108,741,815.55-43,752,114.90

Finding the Fourth Proportional to 72,536,534.10, 108,741,815.55 and 43,752,114.90

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Solution

The fourth proportional to 72,536,534.10, 108,741,815.55 and 43,752,114.90 is: 65,590,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536,534.10 : 108,741,815.55 = 43,752,114.90 : x
  2. Step 2: Convert to fraction form
    72,536,534.10/108,741,815.55 = 43,752,114.90/x
  3. Step 3: Cross multiply
    72,536,534.10x = 108,741,815.55 × 43,752,114.90
  4. Step 4: Simplify right side
    72,536,534.10x = 4,757,684,408,378,206
  5. Step 5: Solve for x
    x = 4,757,684,408,378,206/72,536,534.10
  6. Step 6: Final answer
    x = 65,590,181.11

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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.