Home / 100,916,997.12-151,410,625.38-31,840,466.04

Finding the Fourth Proportional to 100,916,997.12, 151,410,625.38 and 31,840,466.04

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Solution

The fourth proportional to 100,916,997.12, 151,410,625.38 and 31,840,466.04 is: 47,771,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,916,997.12 : 151,410,625.38 = 31,840,466.04 : x
  2. Step 2: Convert to fraction form
    100,916,997.12/151,410,625.38 = 31,840,466.04/x
  3. Step 3: Cross multiply
    100,916,997.12x = 151,410,625.38 × 31,840,466.04
  4. Step 4: Simplify right side
    100,916,997.12x = 4,820,984,875,507,052
  5. Step 5: Solve for x
    x = 4,820,984,875,507,052/100,916,997.12
  6. Step 6: Final answer
    x = 47,771,782.88

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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.