Home / 69,984,177.20-105,028,753.80-35,887,972.40

Finding the Fourth Proportional to 69,984,177.20, 105,028,753.80 and 35,887,972.40

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Solution

The fourth proportional to 69,984,177.20, 105,028,753.80 and 35,887,972.40 is: 53,858,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,177.20 : 105,028,753.80 = 35,887,972.40 : x
  2. Step 2: Convert to fraction form
    69,984,177.20/105,028,753.80 = 35,887,972.40/x
  3. Step 3: Cross multiply
    69,984,177.20x = 105,028,753.80 × 35,887,972.40
  4. Step 4: Simplify right side
    69,984,177.20x = 3,769,269,017,580,795
  5. Step 5: Solve for x
    x = 3,769,269,017,580,795/69,984,177.20
  6. Step 6: Final answer
    x = 53,858,874.51

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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.