Home / 81,611,694.40-122,258,109.30-49,167,221.35

Finding the Fourth Proportional to 81,611,694.40, 122,258,109.30 and 49,167,221.35

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Solution

The fourth proportional to 81,611,694.40, 122,258,109.30 and 49,167,221.35 is: 73,654,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,611,694.40 : 122,258,109.30 = 49,167,221.35 : x
  2. Step 2: Convert to fraction form
    81,611,694.40/122,258,109.30 = 49,167,221.35/x
  3. Step 3: Cross multiply
    81,611,694.40x = 122,258,109.30 × 49,167,221.35
  4. Step 4: Simplify right side
    81,611,694.40x = 6,011,091,521,785,594
  5. Step 5: Solve for x
    x = 6,011,091,521,785,594/81,611,694.40
  6. Step 6: Final answer
    x = 73,654,781.54

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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.