Home / 82,810,979.72-114,274,488.58-45,641,147.40

Finding the Fourth Proportional to 82,810,979.72, 114,274,488.58 and 45,641,147.40

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Solution

The fourth proportional to 82,810,979.72, 114,274,488.58 and 45,641,147.40 is: 62,982,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,810,979.72 : 114,274,488.58 = 45,641,147.40 : x
  2. Step 2: Convert to fraction form
    82,810,979.72/114,274,488.58 = 45,641,147.40/x
  3. Step 3: Cross multiply
    82,810,979.72x = 114,274,488.58 × 45,641,147.40
  4. Step 4: Simplify right side
    82,810,979.72x = 5,215,618,777,339,396
  5. Step 5: Solve for x
    x = 5,215,618,777,339,396/82,810,979.72
  6. Step 6: Final answer
    x = 62,982,213.17

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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.