Home / 112,331,428.80-168,497,143.20-99,576,844.80

Finding the Fourth Proportional to 112,331,428.80, 168,497,143.20 and 99,576,844.80

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Solution

The fourth proportional to 112,331,428.80, 168,497,143.20 and 99,576,844.80 is: 149,365,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,428.80 : 168,497,143.20 = 99,576,844.80 : x
  2. Step 2: Convert to fraction form
    112,331,428.80/168,497,143.20 = 99,576,844.80/x
  3. Step 3: Cross multiply
    112,331,428.80x = 168,497,143.20 × 99,576,844.80
  4. Step 4: Simplify right side
    112,331,428.80x = 16,778,413,877,669,774
  5. Step 5: Solve for x
    x = 16,778,413,877,669,774/112,331,428.80
  6. Step 6: Final answer
    x = 149,365,267.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.