Home / 201,791,480.20-302,687,220.30-99,754,808.20

Finding the Fourth Proportional to 201,791,480.20, 302,687,220.30 and 99,754,808.20

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Solution

The fourth proportional to 201,791,480.20, 302,687,220.30 and 99,754,808.20 is: 149,632,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,791,480.20 : 302,687,220.30 = 99,754,808.20 : x
  2. Step 2: Convert to fraction form
    201,791,480.20/302,687,220.30 = 99,754,808.20/x
  3. Step 3: Cross multiply
    201,791,480.20x = 302,687,220.30 × 99,754,808.20
  4. Step 4: Simplify right side
    201,791,480.20x = 30,194,505,605,617,648
  5. Step 5: Solve for x
    x = 30,194,505,605,617,648/201,791,480.20
  6. Step 6: Final answer
    x = 149,632,212.30

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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.