Home / 307,282,181.14-461,074,598.61-143,496,133.78

Finding the Fourth Proportional to 307,282,181.14, 461,074,598.61 and 143,496,133.78

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Solution

The fourth proportional to 307,282,181.14, 461,074,598.61 and 143,496,133.78 is: 215,314,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,282,181.14 : 461,074,598.61 = 143,496,133.78 : x
  2. Step 2: Convert to fraction form
    307,282,181.14/461,074,598.61 = 143,496,133.78/x
  3. Step 3: Cross multiply
    307,282,181.14x = 461,074,598.61 × 143,496,133.78
  4. Step 4: Simplify right side
    307,282,181.14x = 66,162,422,285,372,896
  5. Step 5: Solve for x
    x = 66,162,422,285,372,896/307,282,181.14
  6. Step 6: Final answer
    x = 215,314,868.05

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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.