Home / 80,562,684.18-120,844,873.74-64,490,803.92

Finding the Fourth Proportional to 80,562,684.18, 120,844,873.74 and 64,490,803.92

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Solution

The fourth proportional to 80,562,684.18, 120,844,873.74 and 64,490,803.92 is: 96,736,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,562,684.18 : 120,844,873.74 = 64,490,803.92 : x
  2. Step 2: Convert to fraction form
    80,562,684.18/120,844,873.74 = 64,490,803.92/x
  3. Step 3: Cross multiply
    80,562,684.18x = 120,844,873.74 × 64,490,803.92
  4. Step 4: Simplify right side
    80,562,684.18x = 7,793,383,057,103,497
  5. Step 5: Solve for x
    x = 7,793,383,057,103,497/80,562,684.18
  6. Step 6: Final answer
    x = 96,736,884.28

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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.