Home / 150,423,955.70-207,508,661.24-98,243,535.38

Finding the Fourth Proportional to 150,423,955.70, 207,508,661.24 and 98,243,535.38

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Solution

The fourth proportional to 150,423,955.70, 207,508,661.24 and 98,243,535.38 is: 135,526,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,423,955.70 : 207,508,661.24 = 98,243,535.38 : x
  2. Step 2: Convert to fraction form
    150,423,955.70/207,508,661.24 = 98,243,535.38/x
  3. Step 3: Cross multiply
    150,423,955.70x = 207,508,661.24 × 98,243,535.38
  4. Step 4: Simplify right side
    150,423,955.70x = 20,386,384,500,659,616
  5. Step 5: Solve for x
    x = 20,386,384,500,659,616/150,423,955.70
  6. Step 6: Final answer
    x = 135,526,182.69

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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.