Home / 201,551,999.80-302,327,999.70-65,335,142.20

Finding the Fourth Proportional to 201,551,999.80, 302,327,999.70 and 65,335,142.20

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Solution

The fourth proportional to 201,551,999.80, 302,327,999.70 and 65,335,142.20 is: 98,002,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,551,999.80 : 302,327,999.70 = 65,335,142.20 : x
  2. Step 2: Convert to fraction form
    201,551,999.80/302,327,999.70 = 65,335,142.20/x
  3. Step 3: Cross multiply
    201,551,999.80x = 302,327,999.70 × 65,335,142.20
  4. Step 4: Simplify right side
    201,551,999.80x = 19,752,642,851,441,056
  5. Step 5: Solve for x
    x = 19,752,642,851,441,056/201,551,999.80
  6. Step 6: Final answer
    x = 98,002,713.30

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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.