Home / 268,928,977.17-371,112,190.52-149,845,416.56

Finding the Fourth Proportional to 268,928,977.17, 371,112,190.52 and 149,845,416.56

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Solution

The fourth proportional to 268,928,977.17, 371,112,190.52 and 149,845,416.56 is: 206,781,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,928,977.17 : 371,112,190.52 = 149,845,416.56 : x
  2. Step 2: Convert to fraction form
    268,928,977.17/371,112,190.52 = 149,845,416.56/x
  3. Step 3: Cross multiply
    268,928,977.17x = 371,112,190.52 × 149,845,416.56
  4. Step 4: Simplify right side
    268,928,977.17x = 55,609,460,778,963,480
  5. Step 5: Solve for x
    x = 55,609,460,778,963,480/268,928,977.17
  6. Step 6: Final answer
    x = 206,781,215.49

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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.