Home / 141,278,329.80-194,980,255.80-78,560,681.04

Finding the Fourth Proportional to 141,278,329.80, 194,980,255.80 and 78,560,681.04

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Solution

The fourth proportional to 141,278,329.80, 194,980,255.80 and 78,560,681.04 is: 108,422,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,278,329.80 : 194,980,255.80 = 78,560,681.04 : x
  2. Step 2: Convert to fraction form
    141,278,329.80/194,980,255.80 = 78,560,681.04/x
  3. Step 3: Cross multiply
    141,278,329.80x = 194,980,255.80 × 78,560,681.04
  4. Step 4: Simplify right side
    141,278,329.80x = 15,317,781,685,001,412
  5. Step 5: Solve for x
    x = 15,317,781,685,001,412/141,278,329.80
  6. Step 6: Final answer
    x = 108,422,726.31

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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.