Home / 82,471,084.79-113,810,362.97-45,801,655.79

Finding the Fourth Proportional to 82,471,084.79, 113,810,362.97 and 45,801,655.79

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Solution

The fourth proportional to 82,471,084.79, 113,810,362.97 and 45,801,655.79 is: 63,206,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,471,084.79 : 113,810,362.97 = 45,801,655.79 : x
  2. Step 2: Convert to fraction form
    82,471,084.79/113,810,362.97 = 45,801,655.79/x
  3. Step 3: Cross multiply
    82,471,084.79x = 113,810,362.97 × 45,801,655.79
  4. Step 4: Simplify right side
    82,471,084.79x = 5,212,703,069,288,842
  5. Step 5: Solve for x
    x = 5,212,703,069,288,842/82,471,084.79
  6. Step 6: Final answer
    x = 63,206,432.69

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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.