Home / 69,984,086.40-104,976,129.60-39,750,998.40

Finding the Fourth Proportional to 69,984,086.40, 104,976,129.60 and 39,750,998.40

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Solution

The fourth proportional to 69,984,086.40, 104,976,129.60 and 39,750,998.40 is: 59,626,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,086.40 : 104,976,129.60 = 39,750,998.40 : x
  2. Step 2: Convert to fraction form
    69,984,086.40/104,976,129.60 = 39,750,998.40/x
  3. Step 3: Cross multiply
    69,984,086.40x = 104,976,129.60 × 39,750,998.40
  4. Step 4: Simplify right side
    69,984,086.40x = 4,172,905,959,767,792
  5. Step 5: Solve for x
    x = 4,172,905,959,767,792/69,984,086.40
  6. Step 6: Final answer
    x = 59,626,497.60

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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.