Home / 272,079,255.70-408,544,036.35-157,287,999.70

Finding the Fourth Proportional to 272,079,255.70, 408,544,036.35 and 157,287,999.70

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Solution

The fourth proportional to 272,079,255.70, 408,544,036.35 and 157,287,999.70 is: 236,177,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,079,255.70 : 408,544,036.35 = 157,287,999.70 : x
  2. Step 2: Convert to fraction form
    272,079,255.70/408,544,036.35 = 157,287,999.70/x
  3. Step 3: Cross multiply
    272,079,255.70x = 408,544,036.35 × 157,287,999.70
  4. Step 4: Simplify right side
    272,079,255.70x = 64,259,074,266,855,584
  5. Step 5: Solve for x
    x = 64,259,074,266,855,584/272,079,255.70
  6. Step 6: Final answer
    x = 236,177,778.79

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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.