Home / 134,530,137.20-185,651,587.64-72,650,470.30

Finding the Fourth Proportional to 134,530,137.20, 185,651,587.64 and 72,650,470.30

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Solution

The fourth proportional to 134,530,137.20, 185,651,587.64 and 72,650,470.30 is: 100,257,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530,137.20 : 185,651,587.64 = 72,650,470.30 : x
  2. Step 2: Convert to fraction form
    134,530,137.20/185,651,587.64 = 72,650,470.30/x
  3. Step 3: Cross multiply
    134,530,137.20x = 185,651,587.64 × 72,650,470.30
  4. Step 4: Simplify right side
    134,530,137.20x = 13,487,675,153,987,666
  5. Step 5: Solve for x
    x = 13,487,675,153,987,666/134,530,137.20
  6. Step 6: Final answer
    x = 100,257,648.10

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