Home / 55,853,910.70-83,780,866.05-51,822,832.30

Finding the Fourth Proportional to 55,853,910.70, 83,780,866.05 and 51,822,832.30

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Solution

The fourth proportional to 55,853,910.70, 83,780,866.05 and 51,822,832.30 is: 77,734,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853,910.70 : 83,780,866.05 = 51,822,832.30 : x
  2. Step 2: Convert to fraction form
    55,853,910.70/83,780,866.05 = 51,822,832.30/x
  3. Step 3: Cross multiply
    55,853,910.70x = 83,780,866.05 × 51,822,832.30
  4. Step 4: Simplify right side
    55,853,910.70x = 4,341,761,771,257,913
  5. Step 5: Solve for x
    x = 4,341,761,771,257,913/55,853,910.70
  6. Step 6: Final answer
    x = 77,734,248.45

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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.