Home / 56,277,187.36-77,664,945.79-31,159,296.52

Finding the Fourth Proportional to 56,277,187.36, 77,664,945.79 and 31,159,296.52

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Solution

The fourth proportional to 56,277,187.36, 77,664,945.79 and 31,159,296.52 is: 43,001,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277,187.36 : 77,664,945.79 = 31,159,296.52 : x
  2. Step 2: Convert to fraction form
    56,277,187.36/77,664,945.79 = 31,159,296.52/x
  3. Step 3: Cross multiply
    56,277,187.36x = 77,664,945.79 × 31,159,296.52
  4. Step 4: Simplify right side
    56,277,187.36x = 2,419,985,074,614,112.50
  5. Step 5: Solve for x
    x = 2,419,985,074,614,112.50/56,277,187.36
  6. Step 6: Final answer
    x = 43,001,173.09

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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.