Home / 121,264,331.30-181,898,052.15-40,485,299.30

Finding the Fourth Proportional to 121,264,331.30, 181,898,052.15 and 40,485,299.30

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Solution

The fourth proportional to 121,264,331.30, 181,898,052.15 and 40,485,299.30 is: 60,728,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264,331.30 : 181,898,052.15 = 40,485,299.30 : x
  2. Step 2: Convert to fraction form
    121,264,331.30/181,898,052.15 = 40,485,299.30/x
  3. Step 3: Cross multiply
    121,264,331.30x = 181,898,052.15 × 40,485,299.30
  4. Step 4: Simplify right side
    121,264,331.30x = 7,364,197,083,379,758
  5. Step 5: Solve for x
    x = 7,364,197,083,379,758/121,264,331.30
  6. Step 6: Final answer
    x = 60,728,468.17

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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.