Home / 237,138,215.40-355,707,323.10-196,827,431.40

Finding the Fourth Proportional to 237,138,215.40, 355,707,323.10 and 196,827,431.40

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Solution

The fourth proportional to 237,138,215.40, 355,707,323.10 and 196,827,431.40 is: 295,241,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,138,215.40 : 355,707,323.10 = 196,827,431.40 : x
  2. Step 2: Convert to fraction form
    237,138,215.40/355,707,323.10 = 196,827,431.40/x
  3. Step 3: Cross multiply
    237,138,215.40x = 355,707,323.10 × 196,827,431.40
  4. Step 4: Simplify right side
    237,138,215.40x = 70,012,958,735,942,896
  5. Step 5: Solve for x
    x = 70,012,958,735,942,896/237,138,215.40
  6. Step 6: Final answer
    x = 295,241,147.10

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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.