Home / 141,337,431.68-195,042,858.59-78,612,180.36

Finding the Fourth Proportional to 141,337,431.68, 195,042,858.59 and 78,612,180.36

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Solution

The fourth proportional to 141,337,431.68, 195,042,858.59 and 78,612,180.36 is: 108,483,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,337,431.68 : 195,042,858.59 = 78,612,180.36 : x
  2. Step 2: Convert to fraction form
    141,337,431.68/195,042,858.59 = 78,612,180.36/x
  3. Step 3: Cross multiply
    141,337,431.68x = 195,042,858.59 × 78,612,180.36
  4. Step 4: Simplify right side
    141,337,431.68x = 15,332,744,377,969,290
  5. Step 5: Solve for x
    x = 15,332,744,377,969,290/141,337,431.68
  6. Step 6: Final answer
    x = 108,483,253.13

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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.