Home / 301,315,743.92-452,112,618.36-137,603,686.88

Finding the Fourth Proportional to 301,315,743.92, 452,112,618.36 and 137,603,686.88

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Solution

The fourth proportional to 301,315,743.92, 452,112,618.36 and 137,603,686.88 is: 206,469,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,315,743.92 : 452,112,618.36 = 137,603,686.88 : x
  2. Step 2: Convert to fraction form
    301,315,743.92/452,112,618.36 = 137,603,686.88/x
  3. Step 3: Cross multiply
    301,315,743.92x = 452,112,618.36 × 137,603,686.88
  4. Step 4: Simplify right side
    301,315,743.92x = 62,212,363,171,306,376
  5. Step 5: Solve for x
    x = 62,212,363,171,306,376/301,315,743.92
  6. Step 6: Final answer
    x = 206,469,009.42

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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.