Home / 82,046,152.68-113,258,553.30-51,121,600.92

Finding the Fourth Proportional to 82,046,152.68, 113,258,553.30 and 51,121,600.92

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Solution

The fourth proportional to 82,046,152.68, 113,258,553.30 and 51,121,600.92 is: 70,569,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,152.68 : 113,258,553.30 = 51,121,600.92 : x
  2. Step 2: Convert to fraction form
    82,046,152.68/113,258,553.30 = 51,121,600.92/x
  3. Step 3: Cross multiply
    82,046,152.68x = 113,258,553.30 × 51,121,600.92
  4. Step 4: Simplify right side
    82,046,152.68x = 5,789,958,562,579,149
  5. Step 5: Solve for x
    x = 5,789,958,562,579,149/82,046,152.68
  6. Step 6: Final answer
    x = 70,569,531.58

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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.