Home / 206,225,140.70-285,340,106.22-179,818,520.42

Finding the Fourth Proportional to 206,225,140.70, 285,340,106.22 and 179,818,520.42

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Solution

The fourth proportional to 206,225,140.70, 285,340,106.22 and 179,818,520.42 is: 248,803,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,225,140.70 : 285,340,106.22 = 179,818,520.42 : x
  2. Step 2: Convert to fraction form
    206,225,140.70/285,340,106.22 = 179,818,520.42/x
  3. Step 3: Cross multiply
    206,225,140.70x = 285,340,106.22 × 179,818,520.42
  4. Step 4: Simplify right side
    206,225,140.70x = 51,309,435,716,966,040
  5. Step 5: Solve for x
    x = 51,309,435,716,966,040/206,225,140.70
  6. Step 6: Final answer
    x = 248,803,009.87

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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.