Home / 149,486,540.80-224,229,811.20-68,864,972.80

Finding the Fourth Proportional to 149,486,540.80, 224,229,811.20 and 68,864,972.80

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Solution

The fourth proportional to 149,486,540.80, 224,229,811.20 and 68,864,972.80 is: 103,297,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,486,540.80 : 224,229,811.20 = 68,864,972.80 : x
  2. Step 2: Convert to fraction form
    149,486,540.80/224,229,811.20 = 68,864,972.80/x
  3. Step 3: Cross multiply
    149,486,540.80x = 224,229,811.20 × 68,864,972.80
  4. Step 4: Simplify right side
    149,486,540.80x = 15,441,579,849,237,134
  5. Step 5: Solve for x
    x = 15,441,579,849,237,134/149,486,540.80
  6. Step 6: Final answer
    x = 103,297,459.20

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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.