Home / 100,193,266.80-150,339,666.60-39,610,969.20

Finding the Fourth Proportional to 100,193,266.80, 150,339,666.60 and 39,610,969.20

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Solution

The fourth proportional to 100,193,266.80, 150,339,666.60 and 39,610,969.20 is: 59,436,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,193,266.80 : 150,339,666.60 = 39,610,969.20 : x
  2. Step 2: Convert to fraction form
    100,193,266.80/150,339,666.60 = 39,610,969.20/x
  3. Step 3: Cross multiply
    100,193,266.80x = 150,339,666.60 × 39,610,969.20
  4. Step 4: Simplify right side
    100,193,266.80x = 5,955,099,903,230,869
  5. Step 5: Solve for x
    x = 5,955,099,903,230,869/100,193,266.80
  6. Step 6: Final answer
    x = 59,436,128.73

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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.