Home / 236,198,187.15-354,297,280.73-72,461,215.05

Finding the Fourth Proportional to 236,198,187.15, 354,297,280.73 and 72,461,215.05

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Solution

The fourth proportional to 236,198,187.15, 354,297,280.73 and 72,461,215.05 is: 108,691,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,198,187.15 : 354,297,280.73 = 72,461,215.05 : x
  2. Step 2: Convert to fraction form
    236,198,187.15/354,297,280.73 = 72,461,215.05/x
  3. Step 3: Cross multiply
    236,198,187.15x = 354,297,280.73 × 72,461,215.05
  4. Step 4: Simplify right side
    236,198,187.15x = 25,672,811,450,244,444
  5. Step 5: Solve for x
    x = 25,672,811,450,244,444/236,198,187.15
  6. Step 6: Final answer
    x = 108,691,822.58

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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.