Home / 103,486,388.70-155,229,583.05-98,447,540.70

Finding the Fourth Proportional to 103,486,388.70, 155,229,583.05 and 98,447,540.70

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Solution

The fourth proportional to 103,486,388.70, 155,229,583.05 and 98,447,540.70 is: 147,671,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,388.70 : 155,229,583.05 = 98,447,540.70 : x
  2. Step 2: Convert to fraction form
    103,486,388.70/155,229,583.05 = 98,447,540.70/x
  3. Step 3: Cross multiply
    103,486,388.70x = 155,229,583.05 × 98,447,540.70
  4. Step 4: Simplify right side
    103,486,388.70x = 15,281,970,695,158,906
  5. Step 5: Solve for x
    x = 15,281,970,695,158,906/103,486,388.70
  6. Step 6: Final answer
    x = 147,671,311.05

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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.