Home / 112,505,158.85-168,764,233.73-43,418,320.92

Finding the Fourth Proportional to 112,505,158.85, 168,764,233.73 and 43,418,320.92

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Solution

The fourth proportional to 112,505,158.85, 168,764,233.73 and 43,418,320.92 is: 65,129,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,505,158.85 : 168,764,233.73 = 43,418,320.92 : x
  2. Step 2: Convert to fraction form
    112,505,158.85/168,764,233.73 = 43,418,320.92/x
  3. Step 3: Cross multiply
    112,505,158.85x = 168,764,233.73 × 43,418,320.92
  4. Step 4: Simplify right side
    112,505,158.85x = 7,327,459,659,689,937
  5. Step 5: Solve for x
    x = 7,327,459,659,689,937/112,505,158.85
  6. Step 6: Final answer
    x = 65,129,988.13

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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.