Home / 372,276,722.40-558,415,083.60-99,647,489.40

Finding the Fourth Proportional to 372,276,722.40, 558,415,083.60 and 99,647,489.40

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Solution

The fourth proportional to 372,276,722.40, 558,415,083.60 and 99,647,489.40 is: 149,471,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,276,722.40 : 558,415,083.60 = 99,647,489.40 : x
  2. Step 2: Convert to fraction form
    372,276,722.40/558,415,083.60 = 99,647,489.40/x
  3. Step 3: Cross multiply
    372,276,722.40x = 558,415,083.60 × 99,647,489.40
  4. Step 4: Simplify right side
    372,276,722.40x = 55,644,661,123,831,120
  5. Step 5: Solve for x
    x = 55,644,661,123,831,120/372,276,722.40
  6. Step 6: Final answer
    x = 149,471,234.10

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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.