Home / 69,984,205.40-104,976,308.10-67,433,288.60

Finding the Fourth Proportional to 69,984,205.40, 104,976,308.10 and 67,433,288.60

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Solution

The fourth proportional to 69,984,205.40, 104,976,308.10 and 67,433,288.60 is: 101,149,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,205.40 : 104,976,308.10 = 67,433,288.60 : x
  2. Step 2: Convert to fraction form
    69,984,205.40/104,976,308.10 = 67,433,288.60/x
  3. Step 3: Cross multiply
    69,984,205.40x = 104,976,308.10 × 67,433,288.60
  4. Step 4: Simplify right side
    69,984,205.40x = 7,078,897,680,269,817
  5. Step 5: Solve for x
    x = 7,078,897,680,269,817/69,984,205.40
  6. Step 6: Final answer
    x = 101,149,932.90

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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.