Home / 83,868,833.28-115,738,752.96-47,199,404.32

Finding the Fourth Proportional to 83,868,833.28, 115,738,752.96 and 47,199,404.32

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Solution

The fourth proportional to 83,868,833.28, 115,738,752.96 and 47,199,404.32 is: 65,135,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868,833.28 : 115,738,752.96 = 47,199,404.32 : x
  2. Step 2: Convert to fraction form
    83,868,833.28/115,738,752.96 = 47,199,404.32/x
  3. Step 3: Cross multiply
    83,868,833.28x = 115,738,752.96 × 47,199,404.32
  4. Step 4: Simplify right side
    83,868,833.28x = 5,462,800,196,451,637
  5. Step 5: Solve for x
    x = 5,462,800,196,451,637/83,868,833.28
  6. Step 6: Final answer
    x = 65,135,044.60

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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.