Home / 193,155,869.22-289,735,555.33-54,981,422.01

Finding the Fourth Proportional to 193,155,869.22, 289,735,555.33 and 54,981,422.01

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Solution

The fourth proportional to 193,155,869.22, 289,735,555.33 and 54,981,422.01 is: 82,472,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,155,869.22 : 289,735,555.33 = 54,981,422.01 : x
  2. Step 2: Convert to fraction form
    193,155,869.22/289,735,555.33 = 54,981,422.01/x
  3. Step 3: Cross multiply
    193,155,869.22x = 289,735,555.33 × 54,981,422.01
  4. Step 4: Simplify right side
    193,155,869.22x = 15,930,072,839,900,200
  5. Step 5: Solve for x
    x = 15,930,072,839,900,200/193,155,869.22
  6. Step 6: Final answer
    x = 82,472,631.58

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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.