Home / 130,759,939.22-180,448,707.57-75,787,682.42

Finding the Fourth Proportional to 130,759,939.22, 180,448,707.57 and 75,787,682.42

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Solution

The fourth proportional to 130,759,939.22, 180,448,707.57 and 75,787,682.42 is: 104,586,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,759,939.22 : 180,448,707.57 = 75,787,682.42 : x
  2. Step 2: Convert to fraction form
    130,759,939.22/180,448,707.57 = 75,787,682.42/x
  3. Step 3: Cross multiply
    130,759,939.22x = 180,448,707.57 × 75,787,682.42
  4. Step 4: Simplify right side
    130,759,939.22x = 13,675,789,342,414,610
  5. Step 5: Solve for x
    x = 13,675,789,342,414,610/130,759,939.22
  6. Step 6: Final answer
    x = 104,586,996.78

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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.