Home / 68,218,686.41-102,381,093.42-47,614,552.89

Finding the Fourth Proportional to 68,218,686.41, 102,381,093.42 and 47,614,552.89

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Solution

The fourth proportional to 68,218,686.41, 102,381,093.42 and 47,614,552.89 is: 71,458,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,218,686.41 : 102,381,093.42 = 47,614,552.89 : x
  2. Step 2: Convert to fraction form
    68,218,686.41/102,381,093.42 = 47,614,552.89/x
  3. Step 3: Cross multiply
    68,218,686.41x = 102,381,093.42 × 47,614,552.89
  4. Step 4: Simplify right side
    68,218,686.41x = 4,874,829,987,020,137
  5. Step 5: Solve for x
    x = 4,874,829,987,020,137/68,218,686.41
  6. Step 6: Final answer
    x = 71,458,866.24

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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.