Home / 124,848,010.80-187,272,016.20-90,608,727.60

Finding the Fourth Proportional to 124,848,010.80, 187,272,016.20 and 90,608,727.60

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Solution

The fourth proportional to 124,848,010.80, 187,272,016.20 and 90,608,727.60 is: 135,913,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,848,010.80 : 187,272,016.20 = 90,608,727.60 : x
  2. Step 2: Convert to fraction form
    124,848,010.80/187,272,016.20 = 90,608,727.60/x
  3. Step 3: Cross multiply
    124,848,010.80x = 187,272,016.20 × 90,608,727.60
  4. Step 4: Simplify right side
    124,848,010.80x = 16,968,479,102,968,584
  5. Step 5: Solve for x
    x = 16,968,479,102,968,584/124,848,010.80
  6. Step 6: Final answer
    x = 135,913,091.40

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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.