Home / 55,571,708.98-83,368,742.69-19,181,508.85

Finding the Fourth Proportional to 55,571,708.98, 83,368,742.69 and 19,181,508.85

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Solution

The fourth proportional to 55,571,708.98, 83,368,742.69 and 19,181,508.85 is: 28,776,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571,708.98 : 83,368,742.69 = 19,181,508.85 : x
  2. Step 2: Convert to fraction form
    55,571,708.98/83,368,742.69 = 19,181,508.85/x
  3. Step 3: Cross multiply
    55,571,708.98x = 83,368,742.69 × 19,181,508.85
  4. Step 4: Simplify right side
    55,571,708.98x = 1,599,138,275,721,608
  5. Step 5: Solve for x
    x = 1,599,138,275,721,608/55,571,708.98
  6. Step 6: Final answer
    x = 28,776,121.97

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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.