Home / 209,952,342.70-314,928,514.05-202,299,592.30

Finding the Fourth Proportional to 209,952,342.70, 314,928,514.05 and 202,299,592.30

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Solution

The fourth proportional to 209,952,342.70, 314,928,514.05 and 202,299,592.30 is: 303,449,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,342.70 : 314,928,514.05 = 202,299,592.30 : x
  2. Step 2: Convert to fraction form
    209,952,342.70/314,928,514.05 = 202,299,592.30/x
  3. Step 3: Cross multiply
    209,952,342.70x = 314,928,514.05 × 202,299,592.30
  4. Step 4: Simplify right side
    209,952,342.70x = 63,709,909,995,959,824
  5. Step 5: Solve for x
    x = 63,709,909,995,959,824/209,952,342.70
  6. Step 6: Final answer
    x = 303,449,388.45

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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.