Home / 121,264,301.80-181,898,007.90-40,485,269.80

Finding the Fourth Proportional to 121,264,301.80, 181,898,007.90 and 40,485,269.80

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Solution

The fourth proportional to 121,264,301.80, 181,898,007.90 and 40,485,269.80 is: 60,728,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264,301.80 : 181,898,007.90 = 40,485,269.80 : x
  2. Step 2: Convert to fraction form
    121,264,301.80/181,898,007.90 = 40,485,269.80/x
  3. Step 3: Cross multiply
    121,264,301.80x = 181,898,007.90 × 40,485,269.80
  4. Step 4: Simplify right side
    121,264,301.80x = 7,364,189,925,914,031
  5. Step 5: Solve for x
    x = 7,364,189,925,914,031/121,264,301.80
  6. Step 6: Final answer
    x = 60,728,423.92

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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.