Home / 308,310,220.32-462,420,313.92-89,901,872.16

Finding the Fourth Proportional to 308,310,220.32, 462,420,313.92 and 89,901,872.16

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Solution

The fourth proportional to 308,310,220.32, 462,420,313.92 and 89,901,872.16 is: 134,839,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,310,220.32 : 462,420,313.92 = 89,901,872.16 : x
  2. Step 2: Convert to fraction form
    308,310,220.32/462,420,313.92 = 89,901,872.16/x
  3. Step 3: Cross multiply
    308,310,220.32x = 462,420,313.92 × 89,901,872.16
  4. Step 4: Simplify right side
    308,310,220.32x = 41,572,451,946,222,912
  5. Step 5: Solve for x
    x = 41,572,451,946,222,912/308,310,220.32
  6. Step 6: Final answer
    x = 134,839,681.61

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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.