Home / 80,752,023.60-121,153,444.90-28,901,276.62

Finding the Fourth Proportional to 80,752,023.60, 121,153,444.90 and 28,901,276.62

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Solution

The fourth proportional to 80,752,023.60, 121,153,444.90 and 28,901,276.62 is: 43,361,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752,023.60 : 121,153,444.90 = 28,901,276.62 : x
  2. Step 2: Convert to fraction form
    80,752,023.60/121,153,444.90 = 28,901,276.62/x
  3. Step 3: Cross multiply
    80,752,023.60x = 121,153,444.90 × 28,901,276.62
  4. Step 4: Simplify right side
    80,752,023.60x = 3,501,489,224,520,828.50
  5. Step 5: Solve for x
    x = 3,501,489,224,520,828.50/80,752,023.60
  6. Step 6: Final answer
    x = 43,361,009.03

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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.