Home / 253,208,955.76-379,760,288.90-71,413,618.48

Finding the Fourth Proportional to 253,208,955.76, 379,760,288.90 and 71,413,618.48

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Solution

The fourth proportional to 253,208,955.76, 379,760,288.90 and 71,413,618.48 is: 107,105,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,208,955.76 : 379,760,288.90 = 71,413,618.48 : x
  2. Step 2: Convert to fraction form
    253,208,955.76/379,760,288.90 = 71,413,618.48/x
  3. Step 3: Cross multiply
    253,208,955.76x = 379,760,288.90 × 71,413,618.48
  4. Step 4: Simplify right side
    253,208,955.76x = 27,120,056,385,359,180
  5. Step 5: Solve for x
    x = 27,120,056,385,359,180/253,208,955.76
  6. Step 6: Final answer
    x = 107,105,439.08

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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.