Home / 130,244,902.68-179,743,020.31-71,510,043.36

Finding the Fourth Proportional to 130,244,902.68, 179,743,020.31 and 71,510,043.36

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Solution

The fourth proportional to 130,244,902.68, 179,743,020.31 and 71,510,043.36 is: 98,686,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,244,902.68 : 179,743,020.31 = 71,510,043.36 : x
  2. Step 2: Convert to fraction form
    130,244,902.68/179,743,020.31 = 71,510,043.36/x
  3. Step 3: Cross multiply
    130,244,902.68x = 179,743,020.31 × 71,510,043.36
  4. Step 4: Simplify right side
    130,244,902.68x = 12,853,431,176,117,268
  5. Step 5: Solve for x
    x = 12,853,431,176,117,268/130,244,902.68
  6. Step 6: Final answer
    x = 98,686,635.03

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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.