Home / 269,727,975-372,225,778.38-145,968,663.06

Finding the Fourth Proportional to 269,727,975, 372,225,778.38 and 145,968,663.06

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Solution

The fourth proportional to 269,727,975, 372,225,778.38 and 145,968,663.06 is: 201,437,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,727,975 : 372,225,778.38 = 145,968,663.06 : x
  2. Step 2: Convert to fraction form
    269,727,975/372,225,778.38 = 145,968,663.06/x
  3. Step 3: Cross multiply
    269,727,975x = 372,225,778.38 × 145,968,663.06
  4. Step 4: Simplify right side
    269,727,975x = 54,333,299,226,596,456
  5. Step 5: Solve for x
    x = 54,333,299,226,596,456/269,727,975
  6. Step 6: Final answer
    x = 201,437,389.75

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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.