Home / 259,354,438.08-389,002,905.24-65,265,905.76

Finding the Fourth Proportional to 259,354,438.08, 389,002,905.24 and 65,265,905.76

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Solution

The fourth proportional to 259,354,438.08, 389,002,905.24 and 65,265,905.76 is: 97,891,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,354,438.08 : 389,002,905.24 = 65,265,905.76 : x
  2. Step 2: Convert to fraction form
    259,354,438.08/389,002,905.24 = 65,265,905.76/x
  3. Step 3: Cross multiply
    259,354,438.08x = 389,002,905.24 × 65,265,905.76
  4. Step 4: Simplify right side
    259,354,438.08x = 25,388,626,953,760,048
  5. Step 5: Solve for x
    x = 25,388,626,953,760,048/259,354,438.08
  6. Step 6: Final answer
    x = 97,891,623.30

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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.