Home / 139,910,318.20-209,804,527.04-74,317,101.96

Finding the Fourth Proportional to 139,910,318.20, 209,804,527.04 and 74,317,101.96

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Solution

The fourth proportional to 139,910,318.20, 209,804,527.04 and 74,317,101.96 is: 111,443,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,910,318.20 : 209,804,527.04 = 74,317,101.96 : x
  2. Step 2: Convert to fraction form
    139,910,318.20/209,804,527.04 = 74,317,101.96/x
  3. Step 3: Cross multiply
    139,910,318.20x = 209,804,527.04 × 74,317,101.96
  4. Step 4: Simplify right side
    139,910,318.20x = 15,592,064,427,701,256
  5. Step 5: Solve for x
    x = 15,592,064,427,701,256/139,910,318.20
  6. Step 6: Final answer
    x = 111,443,277.58

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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.