Home / 84,156,661.72-116,135,064.18-46,987,512.88

Finding the Fourth Proportional to 84,156,661.72, 116,135,064.18 and 46,987,512.88

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Solution

The fourth proportional to 84,156,661.72, 116,135,064.18 and 46,987,512.88 is: 64,842,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156,661.72 : 116,135,064.18 = 46,987,512.88 : x
  2. Step 2: Convert to fraction form
    84,156,661.72/116,135,064.18 = 46,987,512.88/x
  3. Step 3: Cross multiply
    84,156,661.72x = 116,135,064.18 × 46,987,512.88
  4. Step 4: Simplify right side
    84,156,661.72x = 5,456,897,823,977,377
  5. Step 5: Solve for x
    x = 5,456,897,823,977,377/84,156,661.72
  6. Step 6: Final answer
    x = 64,842,137.42

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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.