Home / 354,869,749.20-531,906,492.60-150,363,022.80

Finding the Fourth Proportional to 354,869,749.20, 531,906,492.60 and 150,363,022.80

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Solution

The fourth proportional to 354,869,749.20, 531,906,492.60 and 150,363,022.80 is: 225,375,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,869,749.20 : 531,906,492.60 = 150,363,022.80 : x
  2. Step 2: Convert to fraction form
    354,869,749.20/531,906,492.60 = 150,363,022.80/x
  3. Step 3: Cross multiply
    354,869,749.20x = 531,906,492.60 × 150,363,022.80
  4. Step 4: Simplify right side
    354,869,749.20x = 79,979,068,074,281,840
  5. Step 5: Solve for x
    x = 79,979,068,074,281,840/354,869,749.20
  6. Step 6: Final answer
    x = 225,375,840.73

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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.