Home / 161,726,522.40-242,673,764.40-70,859,296.80

Finding the Fourth Proportional to 161,726,522.40, 242,673,764.40 and 70,859,296.80

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Solution

The fourth proportional to 161,726,522.40, 242,673,764.40 and 70,859,296.80 is: 106,325,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726,522.40 : 242,673,764.40 = 70,859,296.80 : x
  2. Step 2: Convert to fraction form
    161,726,522.40/242,673,764.40 = 70,859,296.80/x
  3. Step 3: Cross multiply
    161,726,522.40x = 242,673,764.40 × 70,859,296.80
  4. Step 4: Simplify right side
    161,726,522.40x = 17,195,692,297,192,874
  5. Step 5: Solve for x
    x = 17,195,692,297,192,874/161,726,522.40
  6. Step 6: Final answer
    x = 106,325,740.78

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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.