Home / 75,422,980.12-113,088,168.14-29,311,006.90

Finding the Fourth Proportional to 75,422,980.12, 113,088,168.14 and 29,311,006.90

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Solution

The fourth proportional to 75,422,980.12, 113,088,168.14 and 29,311,006.90 is: 43,948,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422,980.12 : 113,088,168.14 = 29,311,006.90 : x
  2. Step 2: Convert to fraction form
    75,422,980.12/113,088,168.14 = 29,311,006.90/x
  3. Step 3: Cross multiply
    75,422,980.12x = 113,088,168.14 × 29,311,006.90
  4. Step 4: Simplify right side
    75,422,980.12x = 3,314,728,076,659,900
  5. Step 5: Solve for x
    x = 3,314,728,076,659,900/75,422,980.12
  6. Step 6: Final answer
    x = 43,948,516.37

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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.