Home / 112,155,600.60-168,233,400.90-51,689,424.60

Finding the Fourth Proportional to 112,155,600.60, 168,233,400.90 and 51,689,424.60

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Solution

The fourth proportional to 112,155,600.60, 168,233,400.90 and 51,689,424.60 is: 77,534,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,155,600.60 : 168,233,400.90 = 51,689,424.60 : x
  2. Step 2: Convert to fraction form
    112,155,600.60/168,233,400.90 = 51,689,424.60/x
  3. Step 3: Cross multiply
    112,155,600.60x = 168,233,400.90 × 51,689,424.60
  4. Step 4: Simplify right side
    112,155,600.60x = 8,695,887,691,022,123
  5. Step 5: Solve for x
    x = 8,695,887,691,022,123/112,155,600.60
  6. Step 6: Final answer
    x = 77,534,136.90

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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.