Home / 75,694,715.10-104,458,748.88-40,887,405.85

Finding the Fourth Proportional to 75,694,715.10, 104,458,748.88 and 40,887,405.85

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Solution

The fourth proportional to 75,694,715.10, 104,458,748.88 and 40,887,405.85 is: 56,424,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,694,715.10 : 104,458,748.88 = 40,887,405.85 : x
  2. Step 2: Convert to fraction form
    75,694,715.10/104,458,748.88 = 40,887,405.85/x
  3. Step 3: Cross multiply
    75,694,715.10x = 104,458,748.88 × 40,887,405.85
  4. Step 4: Simplify right side
    75,694,715.10x = 4,271,047,260,039,793
  5. Step 5: Solve for x
    x = 4,271,047,260,039,793/75,694,715.10
  6. Step 6: Final answer
    x = 56,424,642.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.