Home / 211,744,005.40-317,616,008.10-75,433,835.80

Finding the Fourth Proportional to 211,744,005.40, 317,616,008.10 and 75,433,835.80

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Solution

The fourth proportional to 211,744,005.40, 317,616,008.10 and 75,433,835.80 is: 113,150,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,744,005.40 : 317,616,008.10 = 75,433,835.80 : x
  2. Step 2: Convert to fraction form
    211,744,005.40/317,616,008.10 = 75,433,835.80/x
  3. Step 3: Cross multiply
    211,744,005.40x = 317,616,008.10 × 75,433,835.80
  4. Step 4: Simplify right side
    211,744,005.40x = 23,958,993,802,466,872
  5. Step 5: Solve for x
    x = 23,958,993,802,466,872/211,744,005.40
  6. Step 6: Final answer
    x = 113,150,753.70

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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.