Home / 86,919,959.20-130,397,434.80-25,508,999.20

Finding the Fourth Proportional to 86,919,959.20, 130,397,434.80 and 25,508,999.20

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Solution

The fourth proportional to 86,919,959.20, 130,397,434.80 and 25,508,999.20 is: 38,268,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,919,959.20 : 130,397,434.80 = 25,508,999.20 : x
  2. Step 2: Convert to fraction form
    86,919,959.20/130,397,434.80 = 25,508,999.20/x
  3. Step 3: Cross multiply
    86,919,959.20x = 130,397,434.80 × 25,508,999.20
  4. Step 4: Simplify right side
    86,919,959.20x = 3,326,308,059,995,252
  5. Step 5: Solve for x
    x = 3,326,308,059,995,252/86,919,959.20
  6. Step 6: Final answer
    x = 38,268,633.47

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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.