Home / 80,752,433.60-121,128,650.40-29,627,809.40

Finding the Fourth Proportional to 80,752,433.60, 121,128,650.40 and 29,627,809.40

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Solution

The fourth proportional to 80,752,433.60, 121,128,650.40 and 29,627,809.40 is: 44,441,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752,433.60 : 121,128,650.40 = 29,627,809.40 : x
  2. Step 2: Convert to fraction form
    80,752,433.60/121,128,650.40 = 29,627,809.40/x
  3. Step 3: Cross multiply
    80,752,433.60x = 121,128,650.40 × 29,627,809.40
  4. Step 4: Simplify right side
    80,752,433.60x = 3,588,776,566,930,434
  5. Step 5: Solve for x
    x = 3,588,776,566,930,434/80,752,433.60
  6. Step 6: Final answer
    x = 44,441,714.10

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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.