Home / 100,056,837.60-149,861,307.60-82,140,933.60

Finding the Fourth Proportional to 100,056,837.60, 149,861,307.60 and 82,140,933.60

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Solution

The fourth proportional to 100,056,837.60, 149,861,307.60 and 82,140,933.60 is: 123,027,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,056,837.60 : 149,861,307.60 = 82,140,933.60 : x
  2. Step 2: Convert to fraction form
    100,056,837.60/149,861,307.60 = 82,140,933.60/x
  3. Step 3: Cross multiply
    100,056,837.60x = 149,861,307.60 × 82,140,933.60
  4. Step 4: Simplify right side
    100,056,837.60x = 12,309,747,716,780,774
  5. Step 5: Solve for x
    x = 12,309,747,716,780,774/100,056,837.60
  6. Step 6: Final answer
    x = 123,027,551.26

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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.