Home / 211,977,966.60-317,966,949.90-196,672,465.80

Finding the Fourth Proportional to 211,977,966.60, 317,966,949.90 and 196,672,465.80

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Solution

The fourth proportional to 211,977,966.60, 317,966,949.90 and 196,672,465.80 is: 295,008,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,977,966.60 : 317,966,949.90 = 196,672,465.80 : x
  2. Step 2: Convert to fraction form
    211,977,966.60/317,966,949.90 = 196,672,465.80/x
  3. Step 3: Cross multiply
    211,977,966.60x = 317,966,949.90 × 196,672,465.80
  4. Step 4: Simplify right side
    211,977,966.60x = 62,535,344,079,738,064
  5. Step 5: Solve for x
    x = 62,535,344,079,738,064/211,977,966.60
  6. Step 6: Final answer
    x = 295,008,698.70

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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.