Home / 72,855,726.80-109,141,872.60-44,016,195.20

Finding the Fourth Proportional to 72,855,726.80, 109,141,872.60 and 44,016,195.20

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Solution

The fourth proportional to 72,855,726.80, 109,141,872.60 and 44,016,195.20 is: 65,938,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,855,726.80 : 109,141,872.60 = 44,016,195.20 : x
  2. Step 2: Convert to fraction form
    72,855,726.80/109,141,872.60 = 44,016,195.20/x
  3. Step 3: Cross multiply
    72,855,726.80x = 109,141,872.60 × 44,016,195.20
  4. Step 4: Simplify right side
    72,855,726.80x = 4,804,009,968,855,132
  5. Step 5: Solve for x
    x = 4,804,009,968,855,132/72,855,726.80
  6. Step 6: Final answer
    x = 65,938,673.32

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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.