Home / 205,121,247.81-283,067,192.07-112,301,731.05

Finding the Fourth Proportional to 205,121,247.81, 283,067,192.07 and 112,301,731.05

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Solution

The fourth proportional to 205,121,247.81, 283,067,192.07 and 112,301,731.05 is: 154,976,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,121,247.81 : 283,067,192.07 = 112,301,731.05 : x
  2. Step 2: Convert to fraction form
    205,121,247.81/283,067,192.07 = 112,301,731.05/x
  3. Step 3: Cross multiply
    205,121,247.81x = 283,067,192.07 × 112,301,731.05
  4. Step 4: Simplify right side
    205,121,247.81x = 31,788,935,672,923,832
  5. Step 5: Solve for x
    x = 31,788,935,672,923,832/205,121,247.81
  6. Step 6: Final answer
    x = 154,976,317.73

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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.