Home / 79,607,887.70-109,863,406.78-47,827,777.34

Finding the Fourth Proportional to 79,607,887.70, 109,863,406.78 and 47,827,777.34

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Solution

The fourth proportional to 79,607,887.70, 109,863,406.78 and 47,827,777.34 is: 66,005,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607,887.70 : 109,863,406.78 = 47,827,777.34 : x
  2. Step 2: Convert to fraction form
    79,607,887.70/109,863,406.78 = 47,827,777.34/x
  3. Step 3: Cross multiply
    79,607,887.70x = 109,863,406.78 × 47,827,777.34
  4. Step 4: Simplify right side
    79,607,887.70x = 5,254,522,557,287,687
  5. Step 5: Solve for x
    x = 5,254,522,557,287,687/79,607,887.70
  6. Step 6: Final answer
    x = 66,005,049.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.