Home / 121,240,634.09-181,975,926.08-75,042,758.55

Finding the Fourth Proportional to 121,240,634.09, 181,975,926.08 and 75,042,758.55

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Solution

The fourth proportional to 121,240,634.09, 181,975,926.08 and 75,042,758.55 is: 112,635,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,240,634.09 : 181,975,926.08 = 75,042,758.55 : x
  2. Step 2: Convert to fraction form
    121,240,634.09/181,975,926.08 = 75,042,758.55/x
  3. Step 3: Cross multiply
    121,240,634.09x = 181,975,926.08 × 75,042,758.55
  4. Step 4: Simplify right side
    121,240,634.09x = 13,655,975,482,921,696
  5. Step 5: Solve for x
    x = 13,655,975,482,921,696/121,240,634.09
  6. Step 6: Final answer
    x = 112,635,302.39

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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.