Home / 81,823,729.03-112,919,139.97-44,656,393.18

Finding the Fourth Proportional to 81,823,729.03, 112,919,139.97 and 44,656,393.18

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Solution

The fourth proportional to 81,823,729.03, 112,919,139.97 and 44,656,393.18 is: 61,627,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823,729.03 : 112,919,139.97 = 44,656,393.18 : x
  2. Step 2: Convert to fraction form
    81,823,729.03/112,919,139.97 = 44,656,393.18/x
  3. Step 3: Cross multiply
    81,823,729.03x = 112,919,139.97 × 44,656,393.18
  4. Step 4: Simplify right side
    81,823,729.03x = 5,042,561,512,047,773
  5. Step 5: Solve for x
    x = 5,042,561,512,047,773/81,823,729.03
  6. Step 6: Final answer
    x = 61,627,129.10

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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.