Home / 101,978,313.29-152,967,278.76-31,953,902.97

Finding the Fourth Proportional to 101,978,313.29, 152,967,278.76 and 31,953,902.97

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Solution

The fourth proportional to 101,978,313.29, 152,967,278.76 and 31,953,902.97 is: 47,930,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,978,313.29 : 152,967,278.76 = 31,953,902.97 : x
  2. Step 2: Convert to fraction form
    101,978,313.29/152,967,278.76 = 31,953,902.97/x
  3. Step 3: Cross multiply
    101,978,313.29x = 152,967,278.76 × 31,953,902.97
  4. Step 4: Simplify right side
    101,978,313.29x = 4,887,901,583,081,981
  5. Step 5: Solve for x
    x = 4,887,901,583,081,981/101,978,313.29
  6. Step 6: Final answer
    x = 47,930,794.55

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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.