Home / 66,672,025.80-100,013,568.30-21,232,537.80

Finding the Fourth Proportional to 66,672,025.80, 100,013,568.30 and 21,232,537.80

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Solution

The fourth proportional to 66,672,025.80, 100,013,568.30 and 21,232,537.80 is: 31,850,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672,025.80 : 100,013,568.30 = 21,232,537.80 : x
  2. Step 2: Convert to fraction form
    66,672,025.80/100,013,568.30 = 21,232,537.80/x
  3. Step 3: Cross multiply
    66,672,025.80x = 100,013,568.30 × 21,232,537.80
  4. Step 4: Simplify right side
    66,672,025.80x = 2,123,541,869,442,631.75
  5. Step 5: Solve for x
    x = 2,123,541,869,442,631.75/66,672,025.80
  6. Step 6: Final answer
    x = 31,850,567.67

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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.