Home / 70,721,929.51-106,082,923.73-31,814,936.82

Finding the Fourth Proportional to 70,721,929.51, 106,082,923.73 and 31,814,936.82

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Solution

The fourth proportional to 70,721,929.51, 106,082,923.73 and 31,814,936.82 is: 47,722,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721,929.51 : 106,082,923.73 = 31,814,936.82 : x
  2. Step 2: Convert to fraction form
    70,721,929.51/106,082,923.73 = 31,814,936.82/x
  3. Step 3: Cross multiply
    70,721,929.51x = 106,082,923.73 × 31,814,936.82
  4. Step 4: Simplify right side
    70,721,929.51x = 3,375,021,515,991,754
  5. Step 5: Solve for x
    x = 3,375,021,515,991,754/70,721,929.51
  6. Step 6: Final answer
    x = 47,722,418.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.