Home / 125,974,516.50-188,961,774.75-30,236,404.50

Finding the Fourth Proportional to 125,974,516.50, 188,961,774.75 and 30,236,404.50

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Solution

The fourth proportional to 125,974,516.50, 188,961,774.75 and 30,236,404.50 is: 45,354,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,974,516.50 : 188,961,774.75 = 30,236,404.50 : x
  2. Step 2: Convert to fraction form
    125,974,516.50/188,961,774.75 = 30,236,404.50/x
  3. Step 3: Cross multiply
    125,974,516.50x = 188,961,774.75 × 30,236,404.50
  4. Step 4: Simplify right side
    125,974,516.50x = 5,713,524,656,378,886
  5. Step 5: Solve for x
    x = 5,713,524,656,378,886/125,974,516.50
  6. Step 6: Final answer
    x = 45,354,606.75

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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.