Home / 75,320,065.68-112,980,098.52-21,465,978

Finding the Fourth Proportional to 75,320,065.68, 112,980,098.52 and 21,465,978

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Solution

The fourth proportional to 75,320,065.68, 112,980,098.52 and 21,465,978 is: 32,198,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320,065.68 : 112,980,098.52 = 21,465,978 : x
  2. Step 2: Convert to fraction form
    75,320,065.68/112,980,098.52 = 21,465,978/x
  3. Step 3: Cross multiply
    75,320,065.68x = 112,980,098.52 × 21,465,978
  4. Step 4: Simplify right side
    75,320,065.68x = 2,425,228,309,268,152.50
  5. Step 5: Solve for x
    x = 2,425,228,309,268,152.50/75,320,065.68
  6. Step 6: Final answer
    x = 32,198,967.00

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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.