Home / 121,240,633.34-181,975,924.96-75,042,757.80

Finding the Fourth Proportional to 121,240,633.34, 181,975,924.96 and 75,042,757.80

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Solution

The fourth proportional to 121,240,633.34, 181,975,924.96 and 75,042,757.80 is: 112,635,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,240,633.34 : 181,975,924.96 = 75,042,757.80 : x
  2. Step 2: Convert to fraction form
    121,240,633.34/181,975,924.96 = 75,042,757.80/x
  3. Step 3: Cross multiply
    121,240,633.34x = 181,975,924.96 × 75,042,757.80
  4. Step 4: Simplify right side
    121,240,633.34x = 13,655,975,262,016,648
  5. Step 5: Solve for x
    x = 13,655,975,262,016,648/121,240,633.34
  6. Step 6: Final answer
    x = 112,635,301.26

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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.