Home / 56,680,986.40-84,895,508.40-43,859,917.60

Finding the Fourth Proportional to 56,680,986.40, 84,895,508.40 and 43,859,917.60

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Solution

The fourth proportional to 56,680,986.40, 84,895,508.40 and 43,859,917.60 is: 65,692,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680,986.40 : 84,895,508.40 = 43,859,917.60 : x
  2. Step 2: Convert to fraction form
    56,680,986.40/84,895,508.40 = 43,859,917.60/x
  3. Step 3: Cross multiply
    56,680,986.40x = 84,895,508.40 × 43,859,917.60
  4. Step 4: Simplify right side
    56,680,986.40x = 3,723,510,003,034,108
  5. Step 5: Solve for x
    x = 3,723,510,003,034,108/56,680,986.40
  6. Step 6: Final answer
    x = 65,692,399.51

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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.