Home / 243,999,638.57-336,635,327.16-155,945,179.28

Finding the Fourth Proportional to 243,999,638.57, 336,635,327.16 and 155,945,179.28

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Solution

The fourth proportional to 243,999,638.57, 336,635,327.16 and 155,945,179.28 is: 215,150,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,999,638.57 : 336,635,327.16 = 155,945,179.28 : x
  2. Step 2: Convert to fraction form
    243,999,638.57/336,635,327.16 = 155,945,179.28/x
  3. Step 3: Cross multiply
    243,999,638.57x = 336,635,327.16 × 155,945,179.28
  4. Step 4: Simplify right side
    243,999,638.57x = 52,496,656,446,789,248
  5. Step 5: Solve for x
    x = 52,496,656,446,789,248/243,999,638.57
  6. Step 6: Final answer
    x = 215,150,550.03

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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.