Home / 218,313,619.20-327,470,428.80-109,155,637.80

Finding the Fourth Proportional to 218,313,619.20, 327,470,428.80 and 109,155,637.80

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Solution

The fourth proportional to 218,313,619.20, 327,470,428.80 and 109,155,637.80 is: 163,733,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,313,619.20 : 327,470,428.80 = 109,155,637.80 : x
  2. Step 2: Convert to fraction form
    218,313,619.20/327,470,428.80 = 109,155,637.80/x
  3. Step 3: Cross multiply
    218,313,619.20x = 327,470,428.80 × 109,155,637.80
  4. Step 4: Simplify right side
    218,313,619.20x = 35,745,243,516,303,488
  5. Step 5: Solve for x
    x = 35,745,243,516,303,488/218,313,619.20
  6. Step 6: Final answer
    x = 163,733,456.70

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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.