Home / 130,781,737.20-196,172,605.80-54,079,273.20

Finding the Fourth Proportional to 130,781,737.20, 196,172,605.80 and 54,079,273.20

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Solution

The fourth proportional to 130,781,737.20, 196,172,605.80 and 54,079,273.20 is: 81,118,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,781,737.20 : 196,172,605.80 = 54,079,273.20 : x
  2. Step 2: Convert to fraction form
    130,781,737.20/196,172,605.80 = 54,079,273.20/x
  3. Step 3: Cross multiply
    130,781,737.20x = 196,172,605.80 × 54,079,273.20
  4. Step 4: Simplify right side
    130,781,737.20x = 10,608,871,943,414,106
  5. Step 5: Solve for x
    x = 10,608,871,943,414,106/130,781,737.20
  6. Step 6: Final answer
    x = 81,118,909.80

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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.