Home / 279,313,427.52-385,464,487.68-155,554,104.48

Finding the Fourth Proportional to 279,313,427.52, 385,464,487.68 and 155,554,104.48

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Solution

The fourth proportional to 279,313,427.52, 385,464,487.68 and 155,554,104.48 is: 214,671,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,313,427.52 : 385,464,487.68 = 155,554,104.48 : x
  2. Step 2: Convert to fraction form
    279,313,427.52/385,464,487.68 = 155,554,104.48/x
  3. Step 3: Cross multiply
    279,313,427.52x = 385,464,487.68 × 155,554,104.48
  4. Step 4: Simplify right side
    279,313,427.52x = 59,960,583,189,904,392
  5. Step 5: Solve for x
    x = 59,960,583,189,904,392/279,313,427.52
  6. Step 6: Final answer
    x = 214,671,323.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.