Home / 202,731,525-279,813,263.98-123,372,155.66

Finding the Fourth Proportional to 202,731,525, 279,813,263.98 and 123,372,155.66

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Solution

The fourth proportional to 202,731,525, 279,813,263.98 and 123,372,155.66 is: 170,280,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,731,525 : 279,813,263.98 = 123,372,155.66 : x
  2. Step 2: Convert to fraction form
    202,731,525/279,813,263.98 = 123,372,155.66/x
  3. Step 3: Cross multiply
    202,731,525x = 279,813,263.98 × 123,372,155.66
  4. Step 4: Simplify right side
    202,731,525x = 34,521,165,559,473,232
  5. Step 5: Solve for x
    x = 34,521,165,559,473,232/202,731,525
  6. Step 6: Final answer
    x = 170,280,204.62

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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.