Home / 254,156,720.10-381,235,080.15-243,395,039.85

Finding the Fourth Proportional to 254,156,720.10, 381,235,080.15 and 243,395,039.85

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Solution

The fourth proportional to 254,156,720.10, 381,235,080.15 and 243,395,039.85 is: 365,092,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,156,720.10 : 381,235,080.15 = 243,395,039.85 : x
  2. Step 2: Convert to fraction form
    254,156,720.10/381,235,080.15 = 243,395,039.85/x
  3. Step 3: Cross multiply
    254,156,720.10x = 381,235,080.15 × 243,395,039.85
  4. Step 4: Simplify right side
    254,156,720.10x = 92,790,727,525,327,184
  5. Step 5: Solve for x
    x = 92,790,727,525,327,184/254,156,720.10
  6. Step 6: Final answer
    x = 365,092,559.78

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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.