Home / 85,149,905.22-127,805,607.66-52,703,660.70

Finding the Fourth Proportional to 85,149,905.22, 127,805,607.66 and 52,703,660.70

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Solution

The fourth proportional to 85,149,905.22, 127,805,607.66 and 52,703,660.70 is: 79,105,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,149,905.22 : 127,805,607.66 = 52,703,660.70 : x
  2. Step 2: Convert to fraction form
    85,149,905.22/127,805,607.66 = 52,703,660.70/x
  3. Step 3: Cross multiply
    85,149,905.22x = 127,805,607.66 × 52,703,660.70
  4. Step 4: Simplify right side
    85,149,905.22x = 6,735,823,381,669,961
  5. Step 5: Solve for x
    x = 6,735,823,381,669,961/85,149,905.22
  6. Step 6: Final answer
    x = 79,105,471.28

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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.