Home / 99,652,081.30-149,478,121.95-74,142,913.30

Finding the Fourth Proportional to 99,652,081.30, 149,478,121.95 and 74,142,913.30

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Solution

The fourth proportional to 99,652,081.30, 149,478,121.95 and 74,142,913.30 is: 111,214,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652,081.30 : 149,478,121.95 = 74,142,913.30 : x
  2. Step 2: Convert to fraction form
    99,652,081.30/149,478,121.95 = 74,142,913.30/x
  3. Step 3: Cross multiply
    99,652,081.30x = 149,478,121.95 × 74,142,913.30
  4. Step 4: Simplify right side
    99,652,081.30x = 11,082,743,435,985,676
  5. Step 5: Solve for x
    x = 11,082,743,435,985,676/99,652,081.30
  6. Step 6: Final answer
    x = 111,214,369.95

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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.