Home / 81,823,729.62-112,919,140.80-44,656,393.77

Finding the Fourth Proportional to 81,823,729.62, 112,919,140.80 and 44,656,393.77

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Solution

The fourth proportional to 81,823,729.62, 112,919,140.80 and 44,656,393.77 is: 61,627,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823,729.62 : 112,919,140.80 = 44,656,393.77 : x
  2. Step 2: Convert to fraction form
    81,823,729.62/112,919,140.80 = 44,656,393.77/x
  3. Step 3: Cross multiply
    81,823,729.62x = 112,919,140.80 × 44,656,393.77
  4. Step 4: Simplify right side
    81,823,729.62x = 5,042,561,615,734,873
  5. Step 5: Solve for x
    x = 5,042,561,615,734,873/81,823,729.62
  6. Step 6: Final answer
    x = 61,627,129.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.