Home / 202,731,524.49-279,813,263.28-123,372,155.16

Finding the Fourth Proportional to 202,731,524.49, 279,813,263.28 and 123,372,155.16

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Solution

The fourth proportional to 202,731,524.49, 279,813,263.28 and 123,372,155.16 is: 170,280,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,731,524.49 : 279,813,263.28 = 123,372,155.16 : x
  2. Step 2: Convert to fraction form
    202,731,524.49/279,813,263.28 = 123,372,155.16/x
  3. Step 3: Cross multiply
    202,731,524.49x = 279,813,263.28 × 123,372,155.16
  4. Step 4: Simplify right side
    202,731,524.49x = 34,521,165,333,206,084
  5. Step 5: Solve for x
    x = 34,521,165,333,206,084/202,731,524.49
  6. Step 6: Final answer
    x = 170,280,203.93

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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.