Home / 69,305,878.50-95,642,868.16-38,366,564.46

Finding the Fourth Proportional to 69,305,878.50, 95,642,868.16 and 38,366,564.46

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Solution

The fourth proportional to 69,305,878.50, 95,642,868.16 and 38,366,564.46 is: 52,946,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,305,878.50 : 95,642,868.16 = 38,366,564.46 : x
  2. Step 2: Convert to fraction form
    69,305,878.50/95,642,868.16 = 38,366,564.46/x
  3. Step 3: Cross multiply
    69,305,878.50x = 95,642,868.16 × 38,366,564.46
  4. Step 4: Simplify right side
    69,305,878.50x = 3,669,488,266,208,089
  5. Step 5: Solve for x
    x = 3,669,488,266,208,089/69,305,878.50
  6. Step 6: Final answer
    x = 52,946,277.37

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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.