Home / 197,812,983.49-272,962,470.40-109,705,445.71

Finding the Fourth Proportional to 197,812,983.49, 272,962,470.40 and 109,705,445.71

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Solution

The fourth proportional to 197,812,983.49, 272,962,470.40 and 109,705,445.71 is: 151,382,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,812,983.49 : 272,962,470.40 = 109,705,445.71 : x
  2. Step 2: Convert to fraction form
    197,812,983.49/272,962,470.40 = 109,705,445.71/x
  3. Step 3: Cross multiply
    197,812,983.49x = 272,962,470.40 × 109,705,445.71
  4. Step 4: Simplify right side
    197,812,983.49x = 29,945,469,476,378,008
  5. Step 5: Solve for x
    x = 29,945,469,476,378,008/197,812,983.49
  6. Step 6: Final answer
    x = 151,382,730.03

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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.