Home / 56,512,998.70-84,769,498.05-20,162,434.30

Finding the Fourth Proportional to 56,512,998.70, 84,769,498.05 and 20,162,434.30

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Solution

The fourth proportional to 56,512,998.70, 84,769,498.05 and 20,162,434.30 is: 30,243,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512,998.70 : 84,769,498.05 = 20,162,434.30 : x
  2. Step 2: Convert to fraction form
    56,512,998.70/84,769,498.05 = 20,162,434.30/x
  3. Step 3: Cross multiply
    56,512,998.70x = 84,769,498.05 × 20,162,434.30
  4. Step 4: Simplify right side
    56,512,998.70x = 1,709,159,435,077,103
  5. Step 5: Solve for x
    x = 1,709,159,435,077,103/56,512,998.70
  6. Step 6: Final answer
    x = 30,243,651.45

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Double scale
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Similar ratio
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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.