Home / 150,165,318.24-207,228,139.20-81,487,686.24

Finding the Fourth Proportional to 150,165,318.24, 207,228,139.20 and 81,487,686.24

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Solution

The fourth proportional to 150,165,318.24, 207,228,139.20 and 81,487,686.24 is: 112,453,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,165,318.24 : 207,228,139.20 = 81,487,686.24 : x
  2. Step 2: Convert to fraction form
    150,165,318.24/207,228,139.20 = 81,487,686.24/x
  3. Step 3: Cross multiply
    150,165,318.24x = 207,228,139.20 × 81,487,686.24
  4. Step 4: Simplify right side
    150,165,318.24x = 16,886,541,587,228,642
  5. Step 5: Solve for x
    x = 16,886,541,587,228,642/150,165,318.24
  6. Step 6: Final answer
    x = 112,453,007.03

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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.