Home / 74,304,301.80-111,456,452.70-67,608,145.20

Finding the Fourth Proportional to 74,304,301.80, 111,456,452.70 and 67,608,145.20

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Solution

The fourth proportional to 74,304,301.80, 111,456,452.70 and 67,608,145.20 is: 101,412,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,301.80 : 111,456,452.70 = 67,608,145.20 : x
  2. Step 2: Convert to fraction form
    74,304,301.80/111,456,452.70 = 67,608,145.20/x
  3. Step 3: Cross multiply
    74,304,301.80x = 111,456,452.70 × 67,608,145.20
  4. Step 4: Simplify right side
    74,304,301.80x = 7,535,364,037,618,533
  5. Step 5: Solve for x
    x = 7,535,364,037,618,533/74,304,301.80
  6. Step 6: Final answer
    x = 101,412,217.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.