Home / 69,828,470.95-96,366,279.69-38,888,640.22

Finding the Fourth Proportional to 69,828,470.95, 96,366,279.69 and 38,888,640.22

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Solution

The fourth proportional to 69,828,470.95, 96,366,279.69 and 38,888,640.22 is: 53,667,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828,470.95 : 96,366,279.69 = 38,888,640.22 : x
  2. Step 2: Convert to fraction form
    69,828,470.95/96,366,279.69 = 38,888,640.22/x
  3. Step 3: Cross multiply
    69,828,470.95x = 96,366,279.69 × 38,888,640.22
  4. Step 4: Simplify right side
    69,828,470.95x = 3,747,553,580,204,303
  5. Step 5: Solve for x
    x = 3,747,553,580,204,303/69,828,470.95
  6. Step 6: Final answer
    x = 53,667,988.56

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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.