Home / 268,928,842.07-371,112,004.33-149,845,281.59

Finding the Fourth Proportional to 268,928,842.07, 371,112,004.33 and 149,845,281.59

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Solution

The fourth proportional to 268,928,842.07, 371,112,004.33 and 149,845,281.59 is: 206,781,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,928,842.07 : 371,112,004.33 = 149,845,281.59 : x
  2. Step 2: Convert to fraction form
    268,928,842.07/371,112,004.33 = 149,845,281.59/x
  3. Step 3: Cross multiply
    268,928,842.07x = 371,112,004.33 × 149,845,281.59
  4. Step 4: Simplify right side
    268,928,842.07x = 55,609,382,790,811,312
  5. Step 5: Solve for x
    x = 55,609,382,790,811,312/268,928,842.07
  6. Step 6: Final answer
    x = 206,781,029.37

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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.