Home / 108,815,814.36-150,154,388.82-61,757,921.52

Finding the Fourth Proportional to 108,815,814.36, 150,154,388.82 and 61,757,921.52

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Solution

The fourth proportional to 108,815,814.36, 150,154,388.82 and 61,757,921.52 is: 85,219,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,815,814.36 : 150,154,388.82 = 61,757,921.52 : x
  2. Step 2: Convert to fraction form
    108,815,814.36/150,154,388.82 = 61,757,921.52/x
  3. Step 3: Cross multiply
    108,815,814.36x = 150,154,388.82 × 61,757,921.52
  4. Step 4: Simplify right side
    108,815,814.36x = 9,273,222,960,629,126
  5. Step 5: Solve for x
    x = 9,273,222,960,629,126/108,815,814.36
  6. Step 6: Final answer
    x = 85,219,441.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.