Home / 320,798,088.80-481,300,764.16-148,387,999.68

Finding the Fourth Proportional to 320,798,088.80, 481,300,764.16 and 148,387,999.68

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Solution

The fourth proportional to 320,798,088.80, 481,300,764.16 and 148,387,999.68 is: 222,629,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,088.80 : 481,300,764.16 = 148,387,999.68 : x
  2. Step 2: Convert to fraction form
    320,798,088.80/481,300,764.16 = 148,387,999.68/x
  3. Step 3: Cross multiply
    320,798,088.80x = 481,300,764.16 × 148,387,999.68
  4. Step 4: Simplify right side
    320,798,088.80x = 71,419,257,638,157,840
  5. Step 5: Solve for x
    x = 71,419,257,638,157,840/320,798,088.80
  6. Step 6: Final answer
    x = 222,629,934.94

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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.