Home / 47,944,816.22-66,181,839.13-31,426,005.31

Finding the Fourth Proportional to 47,944,816.22, 66,181,839.13 and 31,426,005.31

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Solution

The fourth proportional to 47,944,816.22, 66,181,839.13 and 31,426,005.31 is: 43,379,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944,816.22 : 66,181,839.13 = 31,426,005.31 : x
  2. Step 2: Convert to fraction form
    47,944,816.22/66,181,839.13 = 31,426,005.31/x
  3. Step 3: Cross multiply
    47,944,816.22x = 66,181,839.13 × 31,426,005.31
  4. Step 4: Simplify right side
    47,944,816.22x = 2,079,830,828,171,046.50
  5. Step 5: Solve for x
    x = 2,079,830,828,171,046.50/47,944,816.22
  6. Step 6: Final answer
    x = 43,379,680.90

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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.