Home / 120,966,153.20-181,449,229.80-40,187,121.20

Finding the Fourth Proportional to 120,966,153.20, 181,449,229.80 and 40,187,121.20

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Solution

The fourth proportional to 120,966,153.20, 181,449,229.80 and 40,187,121.20 is: 60,280,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,966,153.20 : 181,449,229.80 = 40,187,121.20 : x
  2. Step 2: Convert to fraction form
    120,966,153.20/181,449,229.80 = 40,187,121.20/x
  3. Step 3: Cross multiply
    120,966,153.20x = 181,449,229.80 × 40,187,121.20
  4. Step 4: Simplify right side
    120,966,153.20x = 7,291,922,189,619,253
  5. Step 5: Solve for x
    x = 7,291,922,189,619,253/120,966,153.20
  6. Step 6: Final answer
    x = 60,280,681.80

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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.