Home / 308,853,453.05-463,279,807.79-78,822,562.31

Finding the Fourth Proportional to 308,853,453.05, 463,279,807.79 and 78,822,562.31

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Solution

The fourth proportional to 308,853,453.05, 463,279,807.79 and 78,822,562.31 is: 118,233,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,453.05 : 463,279,807.79 = 78,822,562.31 : x
  2. Step 2: Convert to fraction form
    308,853,453.05/463,279,807.79 = 78,822,562.31/x
  3. Step 3: Cross multiply
    308,853,453.05x = 463,279,807.79 × 78,822,562.31
  4. Step 4: Simplify right side
    308,853,453.05x = 36,516,901,516,097,992
  5. Step 5: Solve for x
    x = 36,516,901,516,097,992/308,853,453.05
  6. Step 6: Final answer
    x = 118,233,748.58

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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.