Home / 134,530,135.20-185,651,584.88-72,650,468.30

Finding the Fourth Proportional to 134,530,135.20, 185,651,584.88 and 72,650,468.30

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Solution

The fourth proportional to 134,530,135.20, 185,651,584.88 and 72,650,468.30 is: 100,257,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530,135.20 : 185,651,584.88 = 72,650,468.30 : x
  2. Step 2: Convert to fraction form
    134,530,135.20/185,651,584.88 = 72,650,468.30/x
  3. Step 3: Cross multiply
    134,530,135.20x = 185,651,584.88 × 72,650,468.30
  4. Step 4: Simplify right side
    134,530,135.20x = 13,487,674,580,877,690
  5. Step 5: Solve for x
    x = 13,487,674,580,877,690/134,530,135.20
  6. Step 6: Final answer
    x = 100,257,645.33

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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.