Home / 308,853,441.45-463,279,790.36-78,822,550.71

Finding the Fourth Proportional to 308,853,441.45, 463,279,790.36 and 78,822,550.71

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Solution

The fourth proportional to 308,853,441.45, 463,279,790.36 and 78,822,550.71 is: 118,233,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,441.45 : 463,279,790.36 = 78,822,550.71 : x
  2. Step 2: Convert to fraction form
    308,853,441.45/463,279,790.36 = 78,822,550.71/x
  3. Step 3: Cross multiply
    308,853,441.45x = 463,279,790.36 × 78,822,550.71
  4. Step 4: Simplify right side
    308,853,441.45x = 36,516,894,766,252,872
  5. Step 5: Solve for x
    x = 36,516,894,766,252,872/308,853,441.45
  6. Step 6: Final answer
    x = 118,233,731.17

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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.