Home / 82,746,512.10-114,190,181.28-47,959,380.68

Finding the Fourth Proportional to 82,746,512.10, 114,190,181.28 and 47,959,380.68

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Solution

The fourth proportional to 82,746,512.10, 114,190,181.28 and 47,959,380.68 is: 66,183,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,512.10 : 114,190,181.28 = 47,959,380.68 : x
  2. Step 2: Convert to fraction form
    82,746,512.10/114,190,181.28 = 47,959,380.68/x
  3. Step 3: Cross multiply
    82,746,512.10x = 114,190,181.28 × 47,959,380.68
  4. Step 4: Simplify right side
    82,746,512.10x = 5,476,490,373,925,730
  5. Step 5: Solve for x
    x = 5,476,490,373,925,730/82,746,512.10
  6. Step 6: Final answer
    x = 66,183,942.20

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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.