Home / 99,680,119.20-149,284,249.20-67,593,693.60

Finding the Fourth Proportional to 99,680,119.20, 149,284,249.20 and 67,593,693.60

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Solution

The fourth proportional to 99,680,119.20, 149,284,249.20 and 67,593,693.60 is: 101,230,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680,119.20 : 149,284,249.20 = 67,593,693.60 : x
  2. Step 2: Convert to fraction form
    99,680,119.20/149,284,249.20 = 67,593,693.60/x
  3. Step 3: Cross multiply
    99,680,119.20x = 149,284,249.20 × 67,593,693.60
  4. Step 4: Simplify right side
    99,680,119.20x = 10,090,673,799,730,844
  5. Step 5: Solve for x
    x = 10,090,673,799,730,844/99,680,119.20
  6. Step 6: Final answer
    x = 101,230,555.11

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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.