Home / 130,680,331.20-196,020,496.80-96,668,107.20

Finding the Fourth Proportional to 130,680,331.20, 196,020,496.80 and 96,668,107.20

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Solution

The fourth proportional to 130,680,331.20, 196,020,496.80 and 96,668,107.20 is: 145,002,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680,331.20 : 196,020,496.80 = 96,668,107.20 : x
  2. Step 2: Convert to fraction form
    130,680,331.20/196,020,496.80 = 96,668,107.20/x
  3. Step 3: Cross multiply
    130,680,331.20x = 196,020,496.80 × 96,668,107.20
  4. Step 4: Simplify right side
    130,680,331.20x = 18,948,930,398,059,660
  5. Step 5: Solve for x
    x = 18,948,930,398,059,660/130,680,331.20
  6. Step 6: Final answer
    x = 145,002,160.80

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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.