Home / 268,928,986.97-371,112,203.93-149,845,426.35

Finding the Fourth Proportional to 268,928,986.97, 371,112,203.93 and 149,845,426.35

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Solution

The fourth proportional to 268,928,986.97, 371,112,203.93 and 149,845,426.35 is: 206,781,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,928,986.97 : 371,112,203.93 = 149,845,426.35 : x
  2. Step 2: Convert to fraction form
    268,928,986.97/371,112,203.93 = 149,845,426.35/x
  3. Step 3: Cross multiply
    268,928,986.97x = 371,112,203.93 × 149,845,426.35
  4. Step 4: Simplify right side
    268,928,986.97x = 55,609,466,420,829,768
  5. Step 5: Solve for x
    x = 55,609,466,420,829,768/268,928,986.97
  6. Step 6: Final answer
    x = 206,781,228.93

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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.