Home / 210,123,219.72-289,967,016.24-116,041,347.48

Finding the Fourth Proportional to 210,123,219.72, 289,967,016.24 and 116,041,347.48

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Solution

The fourth proportional to 210,123,219.72, 289,967,016.24 and 116,041,347.48 is: 160,135,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,123,219.72 : 289,967,016.24 = 116,041,347.48 : x
  2. Step 2: Convert to fraction form
    210,123,219.72/289,967,016.24 = 116,041,347.48/x
  3. Step 3: Cross multiply
    210,123,219.72x = 289,967,016.24 × 116,041,347.48
  4. Step 4: Simplify right side
    210,123,219.72x = 33,648,163,289,244,644
  5. Step 5: Solve for x
    x = 33,648,163,289,244,644/210,123,219.72
  6. Step 6: Final answer
    x = 160,135,387.86

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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.