Home / 313,695,934.20-470,543,901.30-109,224,009.45

Finding the Fourth Proportional to 313,695,934.20, 470,543,901.30 and 109,224,009.45

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Solution

The fourth proportional to 313,695,934.20, 470,543,901.30 and 109,224,009.45 is: 163,836,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,695,934.20 : 470,543,901.30 = 109,224,009.45 : x
  2. Step 2: Convert to fraction form
    313,695,934.20/470,543,901.30 = 109,224,009.45/x
  3. Step 3: Cross multiply
    313,695,934.20x = 470,543,901.30 × 109,224,009.45
  4. Step 4: Simplify right side
    313,695,934.20x = 51,394,691,522,231,072
  5. Step 5: Solve for x
    x = 51,394,691,522,231,072/313,695,934.20
  6. Step 6: Final answer
    x = 163,836,014.18

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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.