Home / 157,224,231.70-235,836,347.55-99,970,321.30

Finding the Fourth Proportional to 157,224,231.70, 235,836,347.55 and 99,970,321.30

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Solution

The fourth proportional to 157,224,231.70, 235,836,347.55 and 99,970,321.30 is: 149,955,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,224,231.70 : 235,836,347.55 = 99,970,321.30 : x
  2. Step 2: Convert to fraction form
    157,224,231.70/235,836,347.55 = 99,970,321.30/x
  3. Step 3: Cross multiply
    157,224,231.70x = 235,836,347.55 × 99,970,321.30
  4. Step 4: Simplify right side
    157,224,231.70x = 23,576,635,438,791,968
  5. Step 5: Solve for x
    x = 23,576,635,438,791,968/157,224,231.70
  6. Step 6: Final answer
    x = 149,955,481.95

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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.