Home / 238,626,792.10-329,350,173.69-149,360,129.74

Finding the Fourth Proportional to 238,626,792.10, 329,350,173.69 and 149,360,129.74

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Solution

The fourth proportional to 238,626,792.10, 329,350,173.69 and 149,360,129.74 is: 206,145,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,626,792.10 : 329,350,173.69 = 149,360,129.74 : x
  2. Step 2: Convert to fraction form
    238,626,792.10/329,350,173.69 = 149,360,129.74/x
  3. Step 3: Cross multiply
    238,626,792.10x = 329,350,173.69 × 149,360,129.74
  4. Step 4: Simplify right side
    238,626,792.10x = 49,191,784,672,229,936
  5. Step 5: Solve for x
    x = 49,191,784,672,229,936/238,626,792.10
  6. Step 6: Final answer
    x = 206,145,270.78

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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.