Home / 134,530,136.20-185,651,586.26-72,650,469.30

Finding the Fourth Proportional to 134,530,136.20, 185,651,586.26 and 72,650,469.30

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Solution

The fourth proportional to 134,530,136.20, 185,651,586.26 and 72,650,469.30 is: 100,257,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530,136.20 : 185,651,586.26 = 72,650,469.30 : x
  2. Step 2: Convert to fraction form
    134,530,136.20/185,651,586.26 = 72,650,469.30/x
  3. Step 3: Cross multiply
    134,530,136.20x = 185,651,586.26 × 72,650,469.30
  4. Step 4: Simplify right side
    134,530,136.20x = 13,487,674,868,078,430
  5. Step 5: Solve for x
    x = 13,487,674,868,078,430/134,530,136.20
  6. Step 6: Final answer
    x = 100,257,646.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.