Home / 231,895,931.20-347,843,896.80-220,558,523.20

Finding the Fourth Proportional to 231,895,931.20, 347,843,896.80 and 220,558,523.20

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Solution

The fourth proportional to 231,895,931.20, 347,843,896.80 and 220,558,523.20 is: 330,837,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,895,931.20 : 347,843,896.80 = 220,558,523.20 : x
  2. Step 2: Convert to fraction form
    231,895,931.20/347,843,896.80 = 220,558,523.20/x
  3. Step 3: Cross multiply
    231,895,931.20x = 347,843,896.80 × 220,558,523.20
  4. Step 4: Simplify right side
    231,895,931.20x = 76,719,936,182,341,200
  5. Step 5: Solve for x
    x = 76,719,936,182,341,200/231,895,931.20
  6. Step 6: Final answer
    x = 330,837,784.80

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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.