Home / 123,413,183.91-170,306,507.12-67,656,698.73

Finding the Fourth Proportional to 123,413,183.91, 170,306,507.12 and 67,656,698.73

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Solution

The fourth proportional to 123,413,183.91, 170,306,507.12 and 67,656,698.73 is: 93,364,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,413,183.91 : 170,306,507.12 = 67,656,698.73 : x
  2. Step 2: Convert to fraction form
    123,413,183.91/170,306,507.12 = 67,656,698.73/x
  3. Step 3: Cross multiply
    123,413,183.91x = 170,306,507.12 × 67,656,698.73
  4. Step 4: Simplify right side
    123,413,183.91x = 11,522,376,043,638,158
  5. Step 5: Solve for x
    x = 11,522,376,043,638,158/123,413,183.91
  6. Step 6: Final answer
    x = 93,364,223.16

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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.