Home / 169,214,671.20-253,840,669.20-54,179,637.60

Finding the Fourth Proportional to 169,214,671.20, 253,840,669.20 and 54,179,637.60

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Solution

The fourth proportional to 169,214,671.20, 253,840,669.20 and 54,179,637.60 is: 81,275,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,214,671.20 : 253,840,669.20 = 54,179,637.60 : x
  2. Step 2: Convert to fraction form
    169,214,671.20/253,840,669.20 = 54,179,637.60/x
  3. Step 3: Cross multiply
    169,214,671.20x = 253,840,669.20 × 54,179,637.60
  4. Step 4: Simplify right side
    169,214,671.20x = 13,752,995,465,397,482
  5. Step 5: Solve for x
    x = 13,752,995,465,397,482/169,214,671.20
  6. Step 6: Final answer
    x = 81,275,431.78

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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.