Home / 82,746,509.10-114,190,177.14-47,959,377.69

Finding the Fourth Proportional to 82,746,509.10, 114,190,177.14 and 47,959,377.69

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Solution

The fourth proportional to 82,746,509.10, 114,190,177.14 and 47,959,377.69 is: 66,183,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746,509.10 : 114,190,177.14 = 47,959,377.69 : x
  2. Step 2: Convert to fraction form
    82,746,509.10/114,190,177.14 = 47,959,377.69/x
  3. Step 3: Cross multiply
    82,746,509.10x = 114,190,177.14 × 47,959,377.69
  4. Step 4: Simplify right side
    82,746,509.10x = 5,476,489,833,731,157
  5. Step 5: Solve for x
    x = 5,476,489,833,731,157/82,746,509.10
  6. Step 6: Final answer
    x = 66,183,938.07

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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.