Home / 142,150,869.99-213,239,317.68-39,914,218.71

Finding the Fourth Proportional to 142,150,869.99, 213,239,317.68 and 39,914,218.71

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Solution

The fourth proportional to 142,150,869.99, 213,239,317.68 and 39,914,218.71 is: 59,874,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,150,869.99 : 213,239,317.68 = 39,914,218.71 : x
  2. Step 2: Convert to fraction form
    142,150,869.99/213,239,317.68 = 39,914,218.71/x
  3. Step 3: Cross multiply
    142,150,869.99x = 213,239,317.68 × 39,914,218.71
  4. Step 4: Simplify right side
    142,150,869.99x = 8,511,280,763,450,690
  5. Step 5: Solve for x
    x = 8,511,280,763,450,690/142,150,869.99
  6. Step 6: Final answer
    x = 59,874,981.87

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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.