Home / 99,563,266.80-149,344,900.20-79,407,874.80

Finding the Fourth Proportional to 99,563,266.80, 149,344,900.20 and 79,407,874.80

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Solution

The fourth proportional to 99,563,266.80, 149,344,900.20 and 79,407,874.80 is: 119,111,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,563,266.80 : 149,344,900.20 = 79,407,874.80 : x
  2. Step 2: Convert to fraction form
    99,563,266.80/149,344,900.20 = 79,407,874.80/x
  3. Step 3: Cross multiply
    99,563,266.80x = 149,344,900.20 × 79,407,874.80
  4. Step 4: Simplify right side
    99,563,266.80x = 11,859,161,137,100,094
  5. Step 5: Solve for x
    x = 11,859,161,137,100,094/99,563,266.80
  6. Step 6: Final answer
    x = 119,111,812.20

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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.