Home / 181,290,959.10-250,173,700.47-102,974,268.78

Finding the Fourth Proportional to 181,290,959.10, 250,173,700.47 and 102,974,268.78

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Solution

The fourth proportional to 181,290,959.10, 250,173,700.47 and 102,974,268.78 is: 142,100,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290,959.10 : 250,173,700.47 = 102,974,268.78 : x
  2. Step 2: Convert to fraction form
    181,290,959.10/250,173,700.47 = 102,974,268.78/x
  3. Step 3: Cross multiply
    181,290,959.10x = 250,173,700.47 × 102,974,268.78
  4. Step 4: Simplify right side
    181,290,959.10x = 25,761,453,873,884,992
  5. Step 5: Solve for x
    x = 25,761,453,873,884,992/181,290,959.10
  6. Step 6: Final answer
    x = 142,100,047.36

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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.