Home / 132,872,081.20-199,308,121.80-56,169,617.20

Finding the Fourth Proportional to 132,872,081.20, 199,308,121.80 and 56,169,617.20

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Solution

The fourth proportional to 132,872,081.20, 199,308,121.80 and 56,169,617.20 is: 84,254,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,081.20 : 199,308,121.80 = 56,169,617.20 : x
  2. Step 2: Convert to fraction form
    132,872,081.20/199,308,121.80 = 56,169,617.20/x
  3. Step 3: Cross multiply
    132,872,081.20x = 199,308,121.80 × 56,169,617.20
  4. Step 4: Simplify right side
    132,872,081.20x = 11,195,060,906,356,976
  5. Step 5: Solve for x
    x = 11,195,060,906,356,976/132,872,081.20
  6. Step 6: Final answer
    x = 84,254,425.80

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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.