Home / 112,970,123.92-169,389,345.24-43,802,122.39

Finding the Fourth Proportional to 112,970,123.92, 169,389,345.24 and 43,802,122.39

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Solution

The fourth proportional to 112,970,123.92, 169,389,345.24 and 43,802,122.39 is: 65,677,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,970,123.92 : 169,389,345.24 = 43,802,122.39 : x
  2. Step 2: Convert to fraction form
    112,970,123.92/169,389,345.24 = 43,802,122.39/x
  3. Step 3: Cross multiply
    112,970,123.92x = 169,389,345.24 × 43,802,122.39
  4. Step 4: Simplify right side
    112,970,123.92x = 7,419,612,831,764,444
  5. Step 5: Solve for x
    x = 7,419,612,831,764,444/112,970,123.92
  6. Step 6: Final answer
    x = 65,677,655.07

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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.