Home / 217,224,206.20-325,836,309.30-80,881,377.40

Finding the Fourth Proportional to 217,224,206.20, 325,836,309.30 and 80,881,377.40

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Solution

The fourth proportional to 217,224,206.20, 325,836,309.30 and 80,881,377.40 is: 121,322,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,224,206.20 : 325,836,309.30 = 80,881,377.40 : x
  2. Step 2: Convert to fraction form
    217,224,206.20/325,836,309.30 = 80,881,377.40/x
  3. Step 3: Cross multiply
    217,224,206.20x = 325,836,309.30 × 80,881,377.40
  4. Step 4: Simplify right side
    217,224,206.20x = 26,354,089,503,116,432
  5. Step 5: Solve for x
    x = 26,354,089,503,116,432/217,224,206.20
  6. Step 6: Final answer
    x = 121,322,066.10

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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.