Home / 77,100,003.72-115,612,803.18-44,760,047.40

Finding the Fourth Proportional to 77,100,003.72, 115,612,803.18 and 44,760,047.40

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Solution

The fourth proportional to 77,100,003.72, 115,612,803.18 and 44,760,047.40 is: 67,118,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,100,003.72 : 115,612,803.18 = 44,760,047.40 : x
  2. Step 2: Convert to fraction form
    77,100,003.72/115,612,803.18 = 44,760,047.40/x
  3. Step 3: Cross multiply
    77,100,003.72x = 115,612,803.18 × 44,760,047.40
  4. Step 4: Simplify right side
    77,100,003.72x = 5,174,834,550,383,671
  5. Step 5: Solve for x
    x = 5,174,834,550,383,671/77,100,003.72
  6. Step 6: Final answer
    x = 67,118,473.42

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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.