Home / 135,499,678.52-186,991,257-73,621,050.44

Finding the Fourth Proportional to 135,499,678.52, 186,991,257 and 73,621,050.44

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Solution

The fourth proportional to 135,499,678.52, 186,991,257 and 73,621,050.44 is: 101,597,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,499,678.52 : 186,991,257 = 73,621,050.44 : x
  2. Step 2: Convert to fraction form
    135,499,678.52/186,991,257 = 73,621,050.44/x
  3. Step 3: Cross multiply
    135,499,678.52x = 186,991,257 × 73,621,050.44
  4. Step 4: Simplify right side
    135,499,678.52x = 13,766,492,763,436,002
  5. Step 5: Solve for x
    x = 13,766,492,763,436,002/135,499,678.52
  6. Step 6: Final answer
    x = 101,597,973.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.