Home / 82,746,511.10-114,190,179.90-47,959,379.68

Finding the Fourth Proportional to 82,746,511.10, 114,190,179.90 and 47,959,379.68

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Solution

The fourth proportional to 82,746,511.10, 114,190,179.90 and 47,959,379.68 is: 66,183,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,511.10 : 114,190,179.90 = 47,959,379.68 : x
  2. Step 2: Convert to fraction form
    82,746,511.10/114,190,179.90 = 47,959,379.68/x
  3. Step 3: Cross multiply
    82,746,511.10x = 114,190,179.90 × 47,959,379.68
  4. Step 4: Simplify right side
    82,746,511.10x = 5,476,490,193,551,605
  5. Step 5: Solve for x
    x = 5,476,490,193,551,605/82,746,511.10
  6. Step 6: Final answer
    x = 66,183,940.82

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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.