Home / 109,016,899.38-150,452,365.41-62,616,107.70

Finding the Fourth Proportional to 109,016,899.38, 150,452,365.41 and 62,616,107.70

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Solution

The fourth proportional to 109,016,899.38, 150,452,365.41 and 62,616,107.70 is: 86,415,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,016,899.38 : 150,452,365.41 = 62,616,107.70 : x
  2. Step 2: Convert to fraction form
    109,016,899.38/150,452,365.41 = 62,616,107.70/x
  3. Step 3: Cross multiply
    109,016,899.38x = 150,452,365.41 × 62,616,107.70
  4. Step 4: Simplify right side
    109,016,899.38x = 9,420,741,516,232,314
  5. Step 5: Solve for x
    x = 9,420,741,516,232,314/109,016,899.38
  6. Step 6: Final answer
    x = 86,415,423.39

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1.5x scale

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.