Home / 193,147,357.90-289,721,036.85-147,797,725.90

Finding the Fourth Proportional to 193,147,357.90, 289,721,036.85 and 147,797,725.90

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Solution

The fourth proportional to 193,147,357.90, 289,721,036.85 and 147,797,725.90 is: 221,696,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,147,357.90 : 289,721,036.85 = 147,797,725.90 : x
  2. Step 2: Convert to fraction form
    193,147,357.90/289,721,036.85 = 147,797,725.90/x
  3. Step 3: Cross multiply
    193,147,357.90x = 289,721,036.85 × 147,797,725.90
  4. Step 4: Simplify right side
    193,147,357.90x = 42,820,110,391,820,104
  5. Step 5: Solve for x
    x = 42,820,110,391,820,104/193,147,357.90
  6. Step 6: Final answer
    x = 221,696,588.85

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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.