Home / 237,245,996.20-355,922,655.10-128,068,823.86

Finding the Fourth Proportional to 237,245,996.20, 355,922,655.10 and 128,068,823.86

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Solution

The fourth proportional to 237,245,996.20, 355,922,655.10 and 128,068,823.86 is: 192,132,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,245,996.20 : 355,922,655.10 = 128,068,823.86 : x
  2. Step 2: Convert to fraction form
    237,245,996.20/355,922,655.10 = 128,068,823.86/x
  3. Step 3: Cross multiply
    237,245,996.20x = 355,922,655.10 × 128,068,823.86
  4. Step 4: Simplify right side
    237,245,996.20x = 45,582,595,823,785,432
  5. Step 5: Solve for x
    x = 45,582,595,823,785,432/237,245,996.20
  6. Step 6: Final answer
    x = 192,132,202.67

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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.