Home / 293,212,940.20-439,819,410.30-149,587,109.80

Finding the Fourth Proportional to 293,212,940.20, 439,819,410.30 and 149,587,109.80

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Solution

The fourth proportional to 293,212,940.20, 439,819,410.30 and 149,587,109.80 is: 224,380,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,212,940.20 : 439,819,410.30 = 149,587,109.80 : x
  2. Step 2: Convert to fraction form
    293,212,940.20/439,819,410.30 = 149,587,109.80/x
  3. Step 3: Cross multiply
    293,212,940.20x = 439,819,410.30 × 149,587,109.80
  4. Step 4: Simplify right side
    293,212,940.20x = 65,791,314,420,717,360
  5. Step 5: Solve for x
    x = 65,791,314,420,717,360/293,212,940.20
  6. Step 6: Final answer
    x = 224,380,664.70

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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.