Home / 67,285,192.10-100,975,027.35-28,974,200.90

Finding the Fourth Proportional to 67,285,192.10, 100,975,027.35 and 28,974,200.90

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Solution

The fourth proportional to 67,285,192.10, 100,975,027.35 and 28,974,200.90 is: 43,481,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285,192.10 : 100,975,027.35 = 28,974,200.90 : x
  2. Step 2: Convert to fraction form
    67,285,192.10/100,975,027.35 = 28,974,200.90/x
  3. Step 3: Cross multiply
    67,285,192.10x = 100,975,027.35 × 28,974,200.90
  4. Step 4: Simplify right side
    67,285,192.10x = 2,925,670,728,321,894.50
  5. Step 5: Solve for x
    x = 2,925,670,728,321,894.50/67,285,192.10
  6. Step 6: Final answer
    x = 43,481,643.39

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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.