Home / 313,311,194.78-469,982,402.55-119,237,651.30

Finding the Fourth Proportional to 313,311,194.78, 469,982,402.55 and 119,237,651.30

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Solution

The fourth proportional to 313,311,194.78, 469,982,402.55 and 119,237,651.30 is: 178,862,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,311,194.78 : 469,982,402.55 = 119,237,651.30 : x
  2. Step 2: Convert to fraction form
    313,311,194.78/469,982,402.55 = 119,237,651.30/x
  3. Step 3: Cross multiply
    313,311,194.78x = 469,982,402.55 × 119,237,651.30
  4. Step 4: Simplify right side
    313,311,194.78x = 56,039,597,830,043,224
  5. Step 5: Solve for x
    x = 56,039,597,830,043,224/313,311,194.78
  6. Step 6: Final answer
    x = 178,862,417.83

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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.