Home / 69,581,571.52-96,019,938.04-38,643,733.70

Finding the Fourth Proportional to 69,581,571.52, 96,019,938.04 and 38,643,733.70

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Solution

The fourth proportional to 69,581,571.52, 96,019,938.04 and 38,643,733.70 is: 53,326,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,571.52 : 96,019,938.04 = 38,643,733.70 : x
  2. Step 2: Convert to fraction form
    69,581,571.52/96,019,938.04 = 38,643,733.70/x
  3. Step 3: Cross multiply
    69,581,571.52x = 96,019,938.04 × 38,643,733.70
  4. Step 4: Simplify right side
    69,581,571.52x = 3,710,568,915,508,260.50
  5. Step 5: Solve for x
    x = 3,710,568,915,508,260.50/69,581,571.52
  6. Step 6: Final answer
    x = 53,326,891.51

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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.