Home / 69,378,984.36-95,743,768.58-38,439,641

Finding the Fourth Proportional to 69,378,984.36, 95,743,768.58 and 38,439,641

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Solution

The fourth proportional to 69,378,984.36, 95,743,768.58 and 38,439,641 is: 53,047,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,378,984.36 : 95,743,768.58 = 38,439,641 : x
  2. Step 2: Convert to fraction form
    69,378,984.36/95,743,768.58 = 38,439,641/x
  3. Step 3: Cross multiply
    69,378,984.36x = 95,743,768.58 × 38,439,641
  4. Step 4: Simplify right side
    69,378,984.36x = 3,680,356,092,202,279.50
  5. Step 5: Solve for x
    x = 3,680,356,092,202,279.50/69,378,984.36
  6. Step 6: Final answer
    x = 53,047,131.29

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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.