Home / 145,008,006.20-217,512,009.30-83,702,022.20

Finding the Fourth Proportional to 145,008,006.20, 217,512,009.30 and 83,702,022.20

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Solution

The fourth proportional to 145,008,006.20, 217,512,009.30 and 83,702,022.20 is: 125,553,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,008,006.20 : 217,512,009.30 = 83,702,022.20 : x
  2. Step 2: Convert to fraction form
    145,008,006.20/217,512,009.30 = 83,702,022.20/x
  3. Step 3: Cross multiply
    145,008,006.20x = 217,512,009.30 × 83,702,022.20
  4. Step 4: Simplify right side
    145,008,006.20x = 18,206,195,031,195,208
  5. Step 5: Solve for x
    x = 18,206,195,031,195,208/145,008,006.20
  6. Step 6: Final answer
    x = 125,553,033.30

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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.