Home / 106,149,618.72-146,531,671.92-71,362,485

Finding the Fourth Proportional to 106,149,618.72, 146,531,671.92 and 71,362,485

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Solution

The fourth proportional to 106,149,618.72, 146,531,671.92 and 71,362,485 is: 98,510,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,149,618.72 : 146,531,671.92 = 71,362,485 : x
  2. Step 2: Convert to fraction form
    106,149,618.72/146,531,671.92 = 71,362,485/x
  3. Step 3: Cross multiply
    106,149,618.72x = 146,531,671.92 × 71,362,485
  4. Step 4: Simplify right side
    106,149,618.72x = 10,456,864,239,415,920
  5. Step 5: Solve for x
    x = 10,456,864,239,415,920/106,149,618.72
  6. Step 6: Final answer
    x = 98,510,615.16

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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.