Home / 70,149,843.16-96,808,822.62-38,361,881.56

Finding the Fourth Proportional to 70,149,843.16, 96,808,822.62 and 38,361,881.56

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Solution

The fourth proportional to 70,149,843.16, 96,808,822.62 and 38,361,881.56 is: 52,940,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,149,843.16 : 96,808,822.62 = 38,361,881.56 : x
  2. Step 2: Convert to fraction form
    70,149,843.16/96,808,822.62 = 38,361,881.56/x
  3. Step 3: Cross multiply
    70,149,843.16x = 96,808,822.62 × 38,361,881.56
  4. Step 4: Simplify right side
    70,149,843.16x = 3,713,768,587,311,489.50
  5. Step 5: Solve for x
    x = 3,713,768,587,311,489.50/70,149,843.16
  6. Step 6: Final answer
    x = 52,940,511.63

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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.