Home / 276,654,611.40-414,981,917.10-72,182,686.65

Finding the Fourth Proportional to 276,654,611.40, 414,981,917.10 and 72,182,686.65

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Solution

The fourth proportional to 276,654,611.40, 414,981,917.10 and 72,182,686.65 is: 108,274,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,654,611.40 : 414,981,917.10 = 72,182,686.65 : x
  2. Step 2: Convert to fraction form
    276,654,611.40/414,981,917.10 = 72,182,686.65/x
  3. Step 3: Cross multiply
    276,654,611.40x = 414,981,917.10 × 72,182,686.65
  4. Step 4: Simplify right side
    276,654,611.40x = 29,954,509,687,445,580
  5. Step 5: Solve for x
    x = 29,954,509,687,445,580/276,654,611.40
  6. Step 6: Final answer
    x = 108,274,029.98

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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.