Home / 200,325,005.70-300,507,803.91-69,150,184.26

Finding the Fourth Proportional to 200,325,005.70, 300,507,803.91 and 69,150,184.26

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Solution

The fourth proportional to 200,325,005.70, 300,507,803.91 and 69,150,184.26 is: 103,732,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,325,005.70 : 300,507,803.91 = 69,150,184.26 : x
  2. Step 2: Convert to fraction form
    200,325,005.70/300,507,803.91 = 69,150,184.26/x
  3. Step 3: Cross multiply
    200,325,005.70x = 300,507,803.91 × 69,150,184.26
  4. Step 4: Simplify right side
    200,325,005.70x = 20,780,170,011,944,452
  5. Step 5: Solve for x
    x = 20,780,170,011,944,452/200,325,005.70
  6. Step 6: Final answer
    x = 103,732,282.14

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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.