Home / 268,928,868.56-371,112,040.80-149,845,307.94

Finding the Fourth Proportional to 268,928,868.56, 371,112,040.80 and 149,845,307.94

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Solution

The fourth proportional to 268,928,868.56, 371,112,040.80 and 149,845,307.94 is: 206,781,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,928,868.56 : 371,112,040.80 = 149,845,307.94 : x
  2. Step 2: Convert to fraction form
    268,928,868.56/371,112,040.80 = 149,845,307.94/x
  3. Step 3: Cross multiply
    268,928,868.56x = 371,112,040.80 × 149,845,307.94
  4. Step 4: Simplify right side
    268,928,868.56x = 55,609,398,033,917,848
  5. Step 5: Solve for x
    x = 55,609,398,033,917,848/268,928,868.56
  6. Step 6: Final answer
    x = 206,781,065.69

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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.