Home / 343,360,429.20-515,072,136.60-113,330,019.60

Finding the Fourth Proportional to 343,360,429.20, 515,072,136.60 and 113,330,019.60

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Solution

The fourth proportional to 343,360,429.20, 515,072,136.60 and 113,330,019.60 is: 170,005,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360,429.20 : 515,072,136.60 = 113,330,019.60 : x
  2. Step 2: Convert to fraction form
    343,360,429.20/515,072,136.60 = 113,330,019.60/x
  3. Step 3: Cross multiply
    343,360,429.20x = 515,072,136.60 × 113,330,019.60
  4. Step 4: Simplify right side
    343,360,429.20x = 58,373,135,336,291,880
  5. Step 5: Solve for x
    x = 58,373,135,336,291,880/343,360,429.20
  6. Step 6: Final answer
    x = 170,005,423.96

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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.