Home / 47,944,816.72-66,181,839.82-31,426,005.82

Finding the Fourth Proportional to 47,944,816.72, 66,181,839.82 and 31,426,005.82

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Solution

The fourth proportional to 47,944,816.72, 66,181,839.82 and 31,426,005.82 is: 43,379,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944,816.72 : 66,181,839.82 = 31,426,005.82 : x
  2. Step 2: Convert to fraction form
    47,944,816.72/66,181,839.82 = 31,426,005.82/x
  3. Step 3: Cross multiply
    47,944,816.72x = 66,181,839.82 × 31,426,005.82
  4. Step 4: Simplify right side
    47,944,816.72x = 2,079,830,883,030,718.75
  5. Step 5: Solve for x
    x = 2,079,830,883,030,718.75/47,944,816.72
  6. Step 6: Final answer
    x = 43,379,681.59

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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.