Home / 268,928,978.94-371,112,192.99-149,845,418.32

Finding the Fourth Proportional to 268,928,978.94, 371,112,192.99 and 149,845,418.32

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Solution

The fourth proportional to 268,928,978.94, 371,112,192.99 and 149,845,418.32 is: 206,781,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,928,978.94 : 371,112,192.99 = 149,845,418.32 : x
  2. Step 2: Convert to fraction form
    268,928,978.94/371,112,192.99 = 149,845,418.32/x
  3. Step 3: Cross multiply
    268,928,978.94x = 371,112,192.99 × 149,845,418.32
  4. Step 4: Simplify right side
    268,928,978.94x = 55,609,461,802,239,120
  5. Step 5: Solve for x
    x = 55,609,461,802,239,120/268,928,978.94
  6. Step 6: Final answer
    x = 206,781,217.93

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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.