Home / 218,480,963.85-327,721,445.78-89,017,999.65

Finding the Fourth Proportional to 218,480,963.85, 327,721,445.78 and 89,017,999.65

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Solution

The fourth proportional to 218,480,963.85, 327,721,445.78 and 89,017,999.65 is: 133,526,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,480,963.85 : 327,721,445.78 = 89,017,999.65 : x
  2. Step 2: Convert to fraction form
    218,480,963.85/327,721,445.78 = 89,017,999.65/x
  3. Step 3: Cross multiply
    218,480,963.85x = 327,721,445.78 × 89,017,999.65
  4. Step 4: Simplify right side
    218,480,963.85x = 29,173,107,545,296,444
  5. Step 5: Solve for x
    x = 29,173,107,545,296,444/218,480,963.85
  6. Step 6: Final answer
    x = 133,526,999.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.