Home / 72,855,901.80-109,142,135.10-44,016,370.20

Finding the Fourth Proportional to 72,855,901.80, 109,142,135.10 and 44,016,370.20

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Solution

The fourth proportional to 72,855,901.80, 109,142,135.10 and 44,016,370.20 is: 65,938,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,855,901.80 : 109,142,135.10 = 44,016,370.20 : x
  2. Step 2: Convert to fraction form
    72,855,901.80/109,142,135.10 = 44,016,370.20/x
  3. Step 3: Cross multiply
    72,855,901.80x = 109,142,135.10 × 44,016,370.20
  4. Step 4: Simplify right side
    72,855,901.80x = 4,804,040,622,980,014
  5. Step 5: Solve for x
    x = 4,804,040,622,980,014/72,855,901.80
  6. Step 6: Final answer
    x = 65,938,935.68

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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.