Home / 123,283,988.80-170,131,479.96-71,072,775.52

Finding the Fourth Proportional to 123,283,988.80, 170,131,479.96 and 71,072,775.52

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Solution

The fourth proportional to 123,283,988.80, 170,131,479.96 and 71,072,775.52 is: 98,080,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,283,988.80 : 170,131,479.96 = 71,072,775.52 : x
  2. Step 2: Convert to fraction form
    123,283,988.80/170,131,479.96 = 71,072,775.52/x
  3. Step 3: Cross multiply
    123,283,988.80x = 170,131,479.96 × 71,072,775.52
  4. Step 4: Simplify right side
    123,283,988.80x = 12,091,716,483,231,802
  5. Step 5: Solve for x
    x = 12,091,716,483,231,802/123,283,988.80
  6. Step 6: Final answer
    x = 98,080,185.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.