Home / 225,988,207.20-311,897,763.06-137,933,374.32

Finding the Fourth Proportional to 225,988,207.20, 311,897,763.06 and 137,933,374.32

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Solution

The fourth proportional to 225,988,207.20, 311,897,763.06 and 137,933,374.32 is: 190,368,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,988,207.20 : 311,897,763.06 = 137,933,374.32 : x
  2. Step 2: Convert to fraction form
    225,988,207.20/311,897,763.06 = 137,933,374.32/x
  3. Step 3: Cross multiply
    225,988,207.20x = 311,897,763.06 × 137,933,374.32
  4. Step 4: Simplify right side
    225,988,207.20x = 43,021,110,901,725,648
  5. Step 5: Solve for x
    x = 43,021,110,901,725,648/225,988,207.20
  6. Step 6: Final answer
    x = 190,368,831.34

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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.