Home / 199,113,695.32-274,689,729.81-189,882,191.43

Finding the Fourth Proportional to 199,113,695.32, 274,689,729.81 and 189,882,191.43

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Solution

The fourth proportional to 199,113,695.32, 274,689,729.81 and 189,882,191.43 is: 261,954,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,113,695.32 : 274,689,729.81 = 189,882,191.43 : x
  2. Step 2: Convert to fraction form
    199,113,695.32/274,689,729.81 = 189,882,191.43/x
  3. Step 3: Cross multiply
    199,113,695.32x = 274,689,729.81 × 189,882,191.43
  4. Step 4: Simplify right side
    199,113,695.32x = 52,158,687,859,637,400
  5. Step 5: Solve for x
    x = 52,158,687,859,637,400/199,113,695.32
  6. Step 6: Final answer
    x = 261,954,295.89

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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.