Home / 112,904,876.96-155,804,027.28-64,015,609.76

Finding the Fourth Proportional to 112,904,876.96, 155,804,027.28 and 64,015,609.76

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Solution

The fourth proportional to 112,904,876.96, 155,804,027.28 and 64,015,609.76 is: 88,338,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904,876.96 : 155,804,027.28 = 64,015,609.76 : x
  2. Step 2: Convert to fraction form
    112,904,876.96/155,804,027.28 = 64,015,609.76/x
  3. Step 3: Cross multiply
    112,904,876.96x = 155,804,027.28 × 64,015,609.76
  4. Step 4: Simplify right side
    112,904,876.96x = 9,973,889,809,392,874
  5. Step 5: Solve for x
    x = 9,973,889,809,392,874/112,904,876.96
  6. Step 6: Final answer
    x = 88,338,874.97

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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.