Home / 69,961,847.12-104,958,123.96-21,443,350.40

Finding the Fourth Proportional to 69,961,847.12, 104,958,123.96 and 21,443,350.40

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Solution

The fourth proportional to 69,961,847.12, 104,958,123.96 and 21,443,350.40 is: 32,169,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961,847.12 : 104,958,123.96 = 21,443,350.40 : x
  2. Step 2: Convert to fraction form
    69,961,847.12/104,958,123.96 = 21,443,350.40/x
  3. Step 3: Cross multiply
    69,961,847.12x = 104,958,123.96 × 21,443,350.40
  4. Step 4: Simplify right side
    69,961,847.12x = 2,250,653,829,400,915.25
  5. Step 5: Solve for x
    x = 2,250,653,829,400,915.25/69,961,847.12
  6. Step 6: Final answer
    x = 32,169,731.39

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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.