Home / 121,107,868.78-181,689,621.80-34,846,990.06

Finding the Fourth Proportional to 121,107,868.78, 181,689,621.80 and 34,846,990.06

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Solution

The fourth proportional to 121,107,868.78, 181,689,621.80 and 34,846,990.06 is: 52,278,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,107,868.78 : 181,689,621.80 = 34,846,990.06 : x
  2. Step 2: Convert to fraction form
    121,107,868.78/181,689,621.80 = 34,846,990.06/x
  3. Step 3: Cross multiply
    121,107,868.78x = 181,689,621.80 × 34,846,990.06
  4. Step 4: Simplify right side
    121,107,868.78x = 6,331,336,444,869,760
  5. Step 5: Solve for x
    x = 6,331,336,444,869,760/121,107,868.78
  6. Step 6: Final answer
    x = 52,278,489.49

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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.