Home / 68,460,476.27-102,702,671.82-30,120,993.92

Finding the Fourth Proportional to 68,460,476.27, 102,702,671.82 and 30,120,993.92

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Solution

The fourth proportional to 68,460,476.27, 102,702,671.82 and 30,120,993.92 is: 45,186,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,460,476.27 : 102,702,671.82 = 30,120,993.92 : x
  2. Step 2: Convert to fraction form
    68,460,476.27/102,702,671.82 = 30,120,993.92/x
  3. Step 3: Cross multiply
    68,460,476.27x = 102,702,671.82 × 30,120,993.92
  4. Step 4: Simplify right side
    68,460,476.27x = 3,093,506,553,714,731.50
  5. Step 5: Solve for x
    x = 3,093,506,553,714,731.50/68,460,476.27
  6. Step 6: Final answer
    x = 45,186,751.87

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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.