Home / 308,222,468.42-462,284,487.80-89,821,724.16

Finding the Fourth Proportional to 308,222,468.42, 462,284,487.80 and 89,821,724.16

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Solution

The fourth proportional to 308,222,468.42, 462,284,487.80 and 89,821,724.16 is: 134,718,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,222,468.42 : 462,284,487.80 = 89,821,724.16 : x
  2. Step 2: Convert to fraction form
    308,222,468.42/462,284,487.80 = 89,821,724.16/x
  3. Step 3: Cross multiply
    308,222,468.42x = 462,284,487.80 × 89,821,724.16
  4. Step 4: Simplify right side
    308,222,468.42x = 41,523,189,746,169,376
  5. Step 5: Solve for x
    x = 41,523,189,746,169,376/308,222,468.42
  6. Step 6: Final answer
    x = 134,718,244.13

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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.