Home / 124,848,005.80-187,272,008.70-90,608,722.60

Finding the Fourth Proportional to 124,848,005.80, 187,272,008.70 and 90,608,722.60

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Solution

The fourth proportional to 124,848,005.80, 187,272,008.70 and 90,608,722.60 is: 135,913,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,848,005.80 : 187,272,008.70 = 90,608,722.60 : x
  2. Step 2: Convert to fraction form
    124,848,005.80/187,272,008.70 = 90,608,722.60/x
  3. Step 3: Cross multiply
    124,848,005.80x = 187,272,008.70 × 90,608,722.60
  4. Step 4: Simplify right side
    124,848,005.80x = 16,968,477,487,043,084
  5. Step 5: Solve for x
    x = 16,968,477,487,043,084/124,848,005.80
  6. Step 6: Final answer
    x = 135,913,083.90

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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.