Home / 110,549,481.20-165,824,221.80-53,012,135.60

Finding the Fourth Proportional to 110,549,481.20, 165,824,221.80 and 53,012,135.60

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Solution

The fourth proportional to 110,549,481.20, 165,824,221.80 and 53,012,135.60 is: 79,518,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,549,481.20 : 165,824,221.80 = 53,012,135.60 : x
  2. Step 2: Convert to fraction form
    110,549,481.20/165,824,221.80 = 53,012,135.60/x
  3. Step 3: Cross multiply
    110,549,481.20x = 165,824,221.80 × 53,012,135.60
  4. Step 4: Simplify right side
    110,549,481.20x = 8,790,696,131,826,077
  5. Step 5: Solve for x
    x = 8,790,696,131,826,077/110,549,481.20
  6. Step 6: Final answer
    x = 79,518,203.40

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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.