Home / 146,940,013.80-220,410,020.70-129,024,109.80

Finding the Fourth Proportional to 146,940,013.80, 220,410,020.70 and 129,024,109.80

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Solution

The fourth proportional to 146,940,013.80, 220,410,020.70 and 129,024,109.80 is: 193,536,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,940,013.80 : 220,410,020.70 = 129,024,109.80 : x
  2. Step 2: Convert to fraction form
    146,940,013.80/220,410,020.70 = 129,024,109.80/x
  3. Step 3: Cross multiply
    146,940,013.80x = 220,410,020.70 × 129,024,109.80
  4. Step 4: Simplify right side
    146,940,013.80x = 28,438,206,711,817,072
  5. Step 5: Solve for x
    x = 28,438,206,711,817,072/146,940,013.80
  6. Step 6: Final answer
    x = 193,536,164.70

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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.