Home / 173,239,371.80-259,891,831.30-69,616,643.64

Finding the Fourth Proportional to 173,239,371.80, 259,891,831.30 and 69,616,643.64

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Solution

The fourth proportional to 173,239,371.80, 259,891,831.30 and 69,616,643.64 is: 104,438,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,239,371.80 : 259,891,831.30 = 69,616,643.64 : x
  2. Step 2: Convert to fraction form
    173,239,371.80/259,891,831.30 = 69,616,643.64/x
  3. Step 3: Cross multiply
    173,239,371.80x = 259,891,831.30 × 69,616,643.64
  4. Step 4: Simplify right side
    173,239,371.80x = 18,092,797,004,559,100
  5. Step 5: Solve for x
    x = 18,092,797,004,559,100/173,239,371.80
  6. Step 6: Final answer
    x = 104,438,135.61

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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.