Home / 81,859,472,912.70-122,835,125,871.45-34,687,919,447.10

Finding the Fourth Proportional to 81,859,472,912.70, 122,835,125,871.45 and 34,687,919,447.10

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Solution

The fourth proportional to 81,859,472,912.70, 122,835,125,871.45 and 34,687,919,447.10 is: 52,051,336,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,859,472,912.70 : 122,835,125,871.45 = 34,687,919,447.10 : x
  2. Step 2: Convert to fraction form
    81,859,472,912.70/122,835,125,871.45 = 34,687,919,447.10/x
  3. Step 3: Cross multiply
    81,859,472,912.70x = 122,835,125,871.45 × 34,687,919,447.10
  4. Step 4: Simplify right side
    81,859,472,912.70x = 4,260,894,951,503,246,655,488
  5. Step 5: Solve for x
    x = 4,260,894,951,503,246,655,488/81,859,472,912.70
  6. Step 6: Final answer
    x = 52,051,336,270.48

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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.