Home / 308,853,454.05-463,279,809.28-78,822,563.31

Finding the Fourth Proportional to 308,853,454.05, 463,279,809.28 and 78,822,563.31

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Solution

The fourth proportional to 308,853,454.05, 463,279,809.28 and 78,822,563.31 is: 118,233,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,454.05 : 463,279,809.28 = 78,822,563.31 : x
  2. Step 2: Convert to fraction form
    308,853,454.05/463,279,809.28 = 78,822,563.31/x
  3. Step 3: Cross multiply
    308,853,454.05x = 463,279,809.28 × 78,822,563.31
  4. Step 4: Simplify right side
    308,853,454.05x = 36,516,902,097,217,528
  5. Step 5: Solve for x
    x = 36,516,902,097,217,528/308,853,454.05
  6. Step 6: Final answer
    x = 118,233,750.08

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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.