Home / 211,597,330.22-291,977,874.42-117,498,683.18

Finding the Fourth Proportional to 211,597,330.22, 291,977,874.42 and 117,498,683.18

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Solution

The fourth proportional to 211,597,330.22, 291,977,874.42 and 117,498,683.18 is: 162,133,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,597,330.22 : 291,977,874.42 = 117,498,683.18 : x
  2. Step 2: Convert to fraction form
    211,597,330.22/291,977,874.42 = 117,498,683.18/x
  3. Step 3: Cross multiply
    211,597,330.22x = 291,977,874.42 × 117,498,683.18
  4. Step 4: Simplify right side
    211,597,330.22x = 34,307,015,760,690,896
  5. Step 5: Solve for x
    x = 34,307,015,760,690,896/211,597,330.22
  6. Step 6: Final answer
    x = 162,133,500.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.