Home / 82,217,326.92-113,450,757.16-45,538,712.52

Finding the Fourth Proportional to 82,217,326.92, 113,450,757.16 and 45,538,712.52

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Solution

The fourth proportional to 82,217,326.92, 113,450,757.16 and 45,538,712.52 is: 62,838,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,217,326.92 : 113,450,757.16 = 45,538,712.52 : x
  2. Step 2: Convert to fraction form
    82,217,326.92/113,450,757.16 = 45,538,712.52/x
  3. Step 3: Cross multiply
    82,217,326.92x = 113,450,757.16 × 45,538,712.52
  4. Step 4: Simplify right side
    82,217,326.92x = 5,166,401,415,485,572
  5. Step 5: Solve for x
    x = 5,166,401,415,485,572/82,217,326.92
  6. Step 6: Final answer
    x = 62,838,353.05

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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.