Home / 119,899,629.12-165,443,876.96-66,969,816.24

Finding the Fourth Proportional to 119,899,629.12, 165,443,876.96 and 66,969,816.24

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Solution

The fourth proportional to 119,899,629.12, 165,443,876.96 and 66,969,816.24 is: 92,408,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899,629.12 : 165,443,876.96 = 66,969,816.24 : x
  2. Step 2: Convert to fraction form
    119,899,629.12/165,443,876.96 = 66,969,816.24/x
  3. Step 3: Cross multiply
    119,899,629.12x = 165,443,876.96 × 66,969,816.24
  4. Step 4: Simplify right side
    119,899,629.12x = 11,079,746,037,709,522
  5. Step 5: Solve for x
    x = 11,079,746,037,709,522/119,899,629.12
  6. Step 6: Final answer
    x = 92,408,509.68

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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.