Home / 240,878,863.32-332,412,831.36-136,456,934.64

Finding the Fourth Proportional to 240,878,863.32, 332,412,831.36 and 136,456,934.64

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Solution

The fourth proportional to 240,878,863.32, 332,412,831.36 and 136,456,934.64 is: 188,310,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,878,863.32 : 332,412,831.36 = 136,456,934.64 : x
  2. Step 2: Convert to fraction form
    240,878,863.32/332,412,831.36 = 136,456,934.64/x
  3. Step 3: Cross multiply
    240,878,863.32x = 332,412,831.36 × 136,456,934.64
  4. Step 4: Simplify right side
    240,878,863.32x = 45,360,036,002,388,856
  5. Step 5: Solve for x
    x = 45,360,036,002,388,856/240,878,863.32
  6. Step 6: Final answer
    x = 188,310,569.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.