Home / 253,661,864-350,041,657.76-143,654,364.48

Finding the Fourth Proportional to 253,661,864, 350,041,657.76 and 143,654,364.48

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Solution

The fourth proportional to 253,661,864, 350,041,657.76 and 143,654,364.48 is: 198,236,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,661,864 : 350,041,657.76 = 143,654,364.48 : x
  2. Step 2: Convert to fraction form
    253,661,864/350,041,657.76 = 143,654,364.48/x
  3. Step 3: Cross multiply
    253,661,864x = 350,041,657.76 × 143,654,364.48
  4. Step 4: Simplify right side
    253,661,864x = 50,285,011,887,038,456
  5. Step 5: Solve for x
    x = 50,285,011,887,038,456/253,661,864
  6. Step 6: Final answer
    x = 198,236,388.77

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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.