Home / 258,891,377.02-357,270,086.55-139,813,959.22

Finding the Fourth Proportional to 258,891,377.02, 357,270,086.55 and 139,813,959.22

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Solution

The fourth proportional to 258,891,377.02, 357,270,086.55 and 139,813,959.22 is: 192,943,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,891,377.02 : 357,270,086.55 = 139,813,959.22 : x
  2. Step 2: Convert to fraction form
    258,891,377.02/357,270,086.55 = 139,813,959.22/x
  3. Step 3: Cross multiply
    258,891,377.02x = 357,270,086.55 × 139,813,959.22
  4. Step 4: Simplify right side
    258,891,377.02x = 49,951,345,311,427,568
  5. Step 5: Solve for x
    x = 49,951,345,311,427,568/258,891,377.02
  6. Step 6: Final answer
    x = 192,943,256.30

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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.