Home / 54,328,659.60-81,464,995.80-20,232,454.80

Finding the Fourth Proportional to 54,328,659.60, 81,464,995.80 and 20,232,454.80

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Solution

The fourth proportional to 54,328,659.60, 81,464,995.80 and 20,232,454.80 is: 30,338,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,659.60 : 81,464,995.80 = 20,232,454.80 : x
  2. Step 2: Convert to fraction form
    54,328,659.60/81,464,995.80 = 20,232,454.80/x
  3. Step 3: Cross multiply
    54,328,659.60x = 81,464,995.80 × 20,232,454.80
  4. Step 4: Simplify right side
    54,328,659.60x = 1,648,236,845,305,689.75
  5. Step 5: Solve for x
    x = 1,648,236,845,305,689.75/54,328,659.60
  6. Step 6: Final answer
    x = 30,338,257.15

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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.