Home / 252,768,090.90-379,152,136.35-155,408,099.70

Finding the Fourth Proportional to 252,768,090.90, 379,152,136.35 and 155,408,099.70

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Solution

The fourth proportional to 252,768,090.90, 379,152,136.35 and 155,408,099.70 is: 233,112,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,768,090.90 : 379,152,136.35 = 155,408,099.70 : x
  2. Step 2: Convert to fraction form
    252,768,090.90/379,152,136.35 = 155,408,099.70/x
  3. Step 3: Cross multiply
    252,768,090.90x = 379,152,136.35 × 155,408,099.70
  4. Step 4: Simplify right side
    252,768,090.90x = 58,923,313,007,348,792
  5. Step 5: Solve for x
    x = 58,923,313,007,348,792/252,768,090.90
  6. Step 6: Final answer
    x = 233,112,149.55

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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.