Home / 302,377,479.60-453,650,200.20-129,936,903.60

Finding the Fourth Proportional to 302,377,479.60, 453,650,200.20 and 129,936,903.60

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Solution

The fourth proportional to 302,377,479.60, 453,650,200.20 and 129,936,903.60 is: 194,941,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,377,479.60 : 453,650,200.20 = 129,936,903.60 : x
  2. Step 2: Convert to fraction form
    302,377,479.60/453,650,200.20 = 129,936,903.60/x
  3. Step 3: Cross multiply
    302,377,479.60x = 453,650,200.20 × 129,936,903.60
  4. Step 4: Simplify right side
    302,377,479.60x = 58,945,902,331,508,096
  5. Step 5: Solve for x
    x = 58,945,902,331,508,096/302,377,479.60
  6. Step 6: Final answer
    x = 194,941,443.42

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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.