Home / 147,015,998.40-220,523,997.60-124,057,747.20

Finding the Fourth Proportional to 147,015,998.40, 220,523,997.60 and 124,057,747.20

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Solution

The fourth proportional to 147,015,998.40, 220,523,997.60 and 124,057,747.20 is: 186,086,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015,998.40 : 220,523,997.60 = 124,057,747.20 : x
  2. Step 2: Convert to fraction form
    147,015,998.40/220,523,997.60 = 124,057,747.20/x
  3. Step 3: Cross multiply
    147,015,998.40x = 220,523,997.60 × 124,057,747.20
  4. Step 4: Simplify right side
    147,015,998.40x = 27,357,710,345,794,208
  5. Step 5: Solve for x
    x = 27,357,710,345,794,208/147,015,998.40
  6. Step 6: Final answer
    x = 186,086,620.80

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1.5x scale

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.