Home / 220,748,010.15-331,173,249.45-75,182,832.66

Finding the Fourth Proportional to 220,748,010.15, 331,173,249.45 and 75,182,832.66

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Solution

The fourth proportional to 220,748,010.15, 331,173,249.45 and 75,182,832.66 is: 112,791,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,748,010.15 : 331,173,249.45 = 75,182,832.66 : x
  2. Step 2: Convert to fraction form
    220,748,010.15/331,173,249.45 = 75,182,832.66/x
  3. Step 3: Cross multiply
    220,748,010.15x = 331,173,249.45 × 75,182,832.66
  4. Step 4: Simplify right side
    220,748,010.15x = 24,898,542,994,867,784
  5. Step 5: Solve for x
    x = 24,898,542,994,867,784/220,748,010.15
  6. Step 6: Final answer
    x = 112,791,698.45

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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.