Home / 127,916,099.20-191,818,161.60-51,213,635.20

Finding the Fourth Proportional to 127,916,099.20, 191,818,161.60 and 51,213,635.20

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Solution

The fourth proportional to 127,916,099.20, 191,818,161.60 and 51,213,635.20 is: 76,798,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916,099.20 : 191,818,161.60 = 51,213,635.20 : x
  2. Step 2: Convert to fraction form
    127,916,099.20/191,818,161.60 = 51,213,635.20/x
  3. Step 3: Cross multiply
    127,916,099.20x = 191,818,161.60 × 51,213,635.20
  4. Step 4: Simplify right side
    127,916,099.20x = 9,823,705,352,917,048
  5. Step 5: Solve for x
    x = 9,823,705,352,917,048/127,916,099.20
  6. Step 6: Final answer
    x = 76,798,037.26

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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.