Home / 199,320,678.49-275,063,296.74-111,218,389.51

Finding the Fourth Proportional to 199,320,678.49, 275,063,296.74 and 111,218,389.51

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Solution

The fourth proportional to 199,320,678.49, 275,063,296.74 and 111,218,389.51 is: 153,481,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,320,678.49 : 275,063,296.74 = 111,218,389.51 : x
  2. Step 2: Convert to fraction form
    199,320,678.49/275,063,296.74 = 111,218,389.51/x
  3. Step 3: Cross multiply
    199,320,678.49x = 275,063,296.74 × 111,218,389.51
  4. Step 4: Simplify right side
    199,320,678.49x = 30,592,096,876,734,036
  5. Step 5: Solve for x
    x = 30,592,096,876,734,036/199,320,678.49
  6. Step 6: Final answer
    x = 153,481,801.83

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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.