Home / 203,136,633.38-304,664,211.12-99,461,169.38

Finding the Fourth Proportional to 203,136,633.38, 304,664,211.12 and 99,461,169.38

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Solution

The fourth proportional to 203,136,633.38, 304,664,211.12 and 99,461,169.38 is: 149,171,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,136,633.38 : 304,664,211.12 = 99,461,169.38 : x
  2. Step 2: Convert to fraction form
    203,136,633.38/304,664,211.12 = 99,461,169.38/x
  3. Step 3: Cross multiply
    203,136,633.38x = 304,664,211.12 × 99,461,169.38
  4. Step 4: Simplify right side
    203,136,633.38x = 30,302,258,706,230,400
  5. Step 5: Solve for x
    x = 30,302,258,706,230,400/203,136,633.38
  6. Step 6: Final answer
    x = 149,171,807.18

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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.