Home / 47,944,818.72-66,181,842.58-31,426,007.82

Finding the Fourth Proportional to 47,944,818.72, 66,181,842.58 and 31,426,007.82

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Solution

The fourth proportional to 47,944,818.72, 66,181,842.58 and 31,426,007.82 is: 43,379,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944,818.72 : 66,181,842.58 = 31,426,007.82 : x
  2. Step 2: Convert to fraction form
    47,944,818.72/66,181,842.58 = 31,426,007.82/x
  3. Step 3: Cross multiply
    47,944,818.72x = 66,181,842.58 × 31,426,007.82
  4. Step 4: Simplify right side
    47,944,818.72x = 2,079,831,102,461,089
  5. Step 5: Solve for x
    x = 2,079,831,102,461,089/47,944,818.72
  6. Step 6: Final answer
    x = 43,379,684.35

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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.