Home / 80,991,530,880.14-121,443,008,682.18-64,310,496,025.70

Finding the Fourth Proportional to 80,991,530,880.14, 121,443,008,682.18 and 64,310,496,025.70

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Solution

The fourth proportional to 80,991,530,880.14, 121,443,008,682.18 and 64,310,496,025.70 is: 96,430,577,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,991,530,880.14 : 121,443,008,682.18 = 64,310,496,025.70 : x
  2. Step 2: Convert to fraction form
    80,991,530,880.14/121,443,008,682.18 = 64,310,496,025.70/x
  3. Step 3: Cross multiply
    80,991,530,880.14x = 121,443,008,682.18 × 64,310,496,025.70
  4. Step 4: Simplify right side
    80,991,530,880.14x = 7,810,060,127,204,386,275,328
  5. Step 5: Solve for x
    x = 7,810,060,127,204,386,275,328/80,991,530,880.14
  6. Step 6: Final answer
    x = 96,430,577,892.92

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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.