Home / 216,650,288.28-298,898,941.68-142,350,841.56

Finding the Fourth Proportional to 216,650,288.28, 298,898,941.68 and 142,350,841.56

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Solution

The fourth proportional to 216,650,288.28, 298,898,941.68 and 142,350,841.56 is: 196,392,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650,288.28 : 298,898,941.68 = 142,350,841.56 : x
  2. Step 2: Convert to fraction form
    216,650,288.28/298,898,941.68 = 142,350,841.56/x
  3. Step 3: Cross multiply
    216,650,288.28x = 298,898,941.68 × 142,350,841.56
  4. Step 4: Simplify right side
    216,650,288.28x = 42,548,515,889,541,360
  5. Step 5: Solve for x
    x = 42,548,515,889,541,360/216,650,288.28
  6. Step 6: Final answer
    x = 196,392,611.46

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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.