Home / 68,319,197.33-102,396,461.25-31,380,113.91

Finding the Fourth Proportional to 68,319,197.33, 102,396,461.25 and 31,380,113.91

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Solution

The fourth proportional to 68,319,197.33, 102,396,461.25 and 31,380,113.91 is: 47,032,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,319,197.33 : 102,396,461.25 = 31,380,113.91 : x
  2. Step 2: Convert to fraction form
    68,319,197.33/102,396,461.25 = 31,380,113.91/x
  3. Step 3: Cross multiply
    68,319,197.33x = 102,396,461.25 × 31,380,113.91
  4. Step 4: Simplify right side
    68,319,197.33x = 3,213,212,618,005,901
  5. Step 5: Solve for x
    x = 3,213,212,618,005,901/68,319,197.33
  6. Step 6: Final answer
    x = 47,032,353.19

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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.