Home / 81,823,728.03-112,919,138.59-44,656,392.18

Finding the Fourth Proportional to 81,823,728.03, 112,919,138.59 and 44,656,392.18

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Solution

The fourth proportional to 81,823,728.03, 112,919,138.59 and 44,656,392.18 is: 61,627,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823,728.03 : 112,919,138.59 = 44,656,392.18 : x
  2. Step 2: Convert to fraction form
    81,823,728.03/112,919,138.59 = 44,656,392.18/x
  3. Step 3: Cross multiply
    81,823,728.03x = 112,919,138.59 × 44,656,392.18
  4. Step 4: Simplify right side
    81,823,728.03x = 5,042,561,337,898,126
  5. Step 5: Solve for x
    x = 5,042,561,337,898,126/81,823,728.03
  6. Step 6: Final answer
    x = 61,627,127.72

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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.