Home / 276,658,914.79-414,732,993.46-138,364,180.29

Finding the Fourth Proportional to 276,658,914.79, 414,732,993.46 and 138,364,180.29

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Solution

The fourth proportional to 276,658,914.79, 414,732,993.46 and 138,364,180.29 is: 207,418,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,658,914.79 : 414,732,993.46 = 138,364,180.29 : x
  2. Step 2: Convert to fraction form
    276,658,914.79/414,732,993.46 = 138,364,180.29/x
  3. Step 3: Cross multiply
    276,658,914.79x = 414,732,993.46 × 138,364,180.29
  4. Step 4: Simplify right side
    276,658,914.79x = 57,384,190,677,021,040
  5. Step 5: Solve for x
    x = 57,384,190,677,021,040/276,658,914.79
  6. Step 6: Final answer
    x = 207,418,549.01

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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.