Home / 69,984,250.80-104,976,376.20-67,149,898.80

Finding the Fourth Proportional to 69,984,250.80, 104,976,376.20 and 67,149,898.80

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Solution

The fourth proportional to 69,984,250.80, 104,976,376.20 and 67,149,898.80 is: 100,724,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,250.80 : 104,976,376.20 = 67,149,898.80 : x
  2. Step 2: Convert to fraction form
    69,984,250.80/104,976,376.20 = 67,149,898.80/x
  3. Step 3: Cross multiply
    69,984,250.80x = 104,976,376.20 × 67,149,898.80
  4. Step 4: Simplify right side
    69,984,250.80x = 7,049,153,038,220,728
  5. Step 5: Solve for x
    x = 7,049,153,038,220,728/69,984,250.80
  6. Step 6: Final answer
    x = 100,724,848.20

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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.