Home / 166,176,843.95-229,324,756.86-90,824,689.29

Finding the Fourth Proportional to 166,176,843.95, 229,324,756.86 and 90,824,689.29

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Solution

The fourth proportional to 166,176,843.95, 229,324,756.86 and 90,824,689.29 is: 125,338,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,176,843.95 : 229,324,756.86 = 90,824,689.29 : x
  2. Step 2: Convert to fraction form
    166,176,843.95/229,324,756.86 = 90,824,689.29/x
  3. Step 3: Cross multiply
    166,176,843.95x = 229,324,756.86 × 90,824,689.29
  4. Step 4: Simplify right side
    166,176,843.95x = 20,828,349,787,493,760
  5. Step 5: Solve for x
    x = 20,828,349,787,493,760/166,176,843.95
  6. Step 6: Final answer
    x = 125,338,460.48

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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.