Home / 108,962,964.73-150,371,147.57-61,279,130.37

Finding the Fourth Proportional to 108,962,964.73, 150,371,147.57 and 61,279,130.37

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Solution

The fourth proportional to 108,962,964.73, 150,371,147.57 and 61,279,130.37 is: 84,566,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962,964.73 : 150,371,147.57 = 61,279,130.37 : x
  2. Step 2: Convert to fraction form
    108,962,964.73/150,371,147.57 = 61,279,130.37/x
  3. Step 3: Cross multiply
    108,962,964.73x = 150,371,147.57 × 61,279,130.37
  4. Step 4: Simplify right side
    108,962,964.73x = 9,214,613,156,431,038
  5. Step 5: Solve for x
    x = 9,214,613,156,431,038/108,962,964.73
  6. Step 6: Final answer
    x = 84,566,468.79

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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.