Home / 339,269,000.20-508,903,500.30-121,165,613.80

Finding the Fourth Proportional to 339,269,000.20, 508,903,500.30 and 121,165,613.80

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Solution

The fourth proportional to 339,269,000.20, 508,903,500.30 and 121,165,613.80 is: 181,748,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,269,000.20 : 508,903,500.30 = 121,165,613.80 : x
  2. Step 2: Convert to fraction form
    339,269,000.20/508,903,500.30 = 121,165,613.80/x
  3. Step 3: Cross multiply
    339,269,000.20x = 508,903,500.30 × 121,165,613.80
  4. Step 4: Simplify right side
    339,269,000.20x = 61,661,604,978,817,984
  5. Step 5: Solve for x
    x = 61,661,604,978,817,984/339,269,000.20
  6. Step 6: Final answer
    x = 181,748,420.70

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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.