Home / 47,944,817.72-66,181,841.20-31,426,006.82

Finding the Fourth Proportional to 47,944,817.72, 66,181,841.20 and 31,426,006.82

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Solution

The fourth proportional to 47,944,817.72, 66,181,841.20 and 31,426,006.82 is: 43,379,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944,817.72 : 66,181,841.20 = 31,426,006.82 : x
  2. Step 2: Convert to fraction form
    47,944,817.72/66,181,841.20 = 31,426,006.82/x
  3. Step 3: Cross multiply
    47,944,817.72x = 66,181,841.20 × 31,426,006.82
  4. Step 4: Simplify right side
    47,944,817.72x = 2,079,830,992,911,357
  5. Step 5: Solve for x
    x = 2,079,830,992,911,357/47,944,817.72
  6. Step 6: Final answer
    x = 43,379,682.97

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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.