Home / 179,656,019.80-269,484,029.70-142,667,726.20

Finding the Fourth Proportional to 179,656,019.80, 269,484,029.70 and 142,667,726.20

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Solution

The fourth proportional to 179,656,019.80, 269,484,029.70 and 142,667,726.20 is: 214,001,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,656,019.80 : 269,484,029.70 = 142,667,726.20 : x
  2. Step 2: Convert to fraction form
    179,656,019.80/269,484,029.70 = 142,667,726.20/x
  3. Step 3: Cross multiply
    179,656,019.80x = 269,484,029.70 × 142,667,726.20
  4. Step 4: Simplify right side
    179,656,019.80x = 38,446,673,764,512,264
  5. Step 5: Solve for x
    x = 38,446,673,764,512,264/179,656,019.80
  6. Step 6: Final answer
    x = 214,001,589.30

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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.