Home / 116,208,216.24-160,361,198.16-66,646,028.64

Finding the Fourth Proportional to 116,208,216.24, 160,361,198.16 and 66,646,028.64

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Solution

The fourth proportional to 116,208,216.24, 160,361,198.16 and 66,646,028.64 is: 91,967,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,208,216.24 : 160,361,198.16 = 66,646,028.64 : x
  2. Step 2: Convert to fraction form
    116,208,216.24/160,361,198.16 = 66,646,028.64/x
  3. Step 3: Cross multiply
    116,208,216.24x = 160,361,198.16 × 66,646,028.64
  4. Step 4: Simplify right side
    116,208,216.24x = 10,687,437,005,316,076
  5. Step 5: Solve for x
    x = 10,687,437,005,316,076/116,208,216.24
  6. Step 6: Final answer
    x = 91,967,998.06

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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.