Home / 99,494,920.80-149,242,381.20-34,777,216.80

Finding the Fourth Proportional to 99,494,920.80, 149,242,381.20 and 34,777,216.80

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Solution

The fourth proportional to 99,494,920.80, 149,242,381.20 and 34,777,216.80 is: 52,165,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,494,920.80 : 149,242,381.20 = 34,777,216.80 : x
  2. Step 2: Convert to fraction form
    99,494,920.80/149,242,381.20 = 34,777,216.80/x
  3. Step 3: Cross multiply
    99,494,920.80x = 149,242,381.20 × 34,777,216.80
  4. Step 4: Simplify right side
    99,494,920.80x = 5,190,234,646,740,643
  5. Step 5: Solve for x
    x = 5,190,234,646,740,643/99,494,920.80
  6. Step 6: Final answer
    x = 52,165,825.20

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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.