Home / 99,804,912.60-149,413,436.10-74,358,730.20

Finding the Fourth Proportional to 99,804,912.60, 149,413,436.10 and 74,358,730.20

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Solution

The fourth proportional to 99,804,912.60, 149,413,436.10 and 74,358,730.20 is: 111,319,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,912.60 : 149,413,436.10 = 74,358,730.20 : x
  2. Step 2: Convert to fraction form
    99,804,912.60/149,413,436.10 = 74,358,730.20/x
  3. Step 3: Cross multiply
    99,804,912.60x = 149,413,436.10 × 74,358,730.20
  4. Step 4: Simplify right side
    99,804,912.60x = 11,110,193,383,214,840
  5. Step 5: Solve for x
    x = 11,110,193,383,214,840/99,804,912.60
  6. Step 6: Final answer
    x = 111,319,103.38

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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.