Home / 272,019,151.88-375,399,709.62-152,979,201.80

Finding the Fourth Proportional to 272,019,151.88, 375,399,709.62 and 152,979,201.80

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Solution

The fourth proportional to 272,019,151.88, 375,399,709.62 and 152,979,201.80 is: 211,118,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,019,151.88 : 375,399,709.62 = 152,979,201.80 : x
  2. Step 2: Convert to fraction form
    272,019,151.88/375,399,709.62 = 152,979,201.80/x
  3. Step 3: Cross multiply
    272,019,151.88x = 375,399,709.62 × 152,979,201.80
  4. Step 4: Simplify right side
    272,019,151.88x = 57,428,347,933,619,384
  5. Step 5: Solve for x
    x = 57,428,347,933,619,384/272,019,151.88
  6. Step 6: Final answer
    x = 211,118,766.96

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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.