Home / 216,650,290.28-298,898,944.44-142,350,843.56

Finding the Fourth Proportional to 216,650,290.28, 298,898,944.44 and 142,350,843.56

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Solution

The fourth proportional to 216,650,290.28, 298,898,944.44 and 142,350,843.56 is: 196,392,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650,290.28 : 298,898,944.44 = 142,350,843.56 : x
  2. Step 2: Convert to fraction form
    216,650,290.28/298,898,944.44 = 142,350,843.56/x
  3. Step 3: Cross multiply
    216,650,290.28x = 298,898,944.44 × 142,350,843.56
  4. Step 4: Simplify right side
    216,650,290.28x = 42,548,516,880,227,576
  5. Step 5: Solve for x
    x = 42,548,516,880,227,576/216,650,290.28
  6. Step 6: Final answer
    x = 196,392,614.22

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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.