Home / 200,831,716.70-301,105,857.45-91,709,164.70

Finding the Fourth Proportional to 200,831,716.70, 301,105,857.45 and 91,709,164.70

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Solution

The fourth proportional to 200,831,716.70, 301,105,857.45 and 91,709,164.70 is: 137,499,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,831,716.70 : 301,105,857.45 = 91,709,164.70 : x
  2. Step 2: Convert to fraction form
    200,831,716.70/301,105,857.45 = 91,709,164.70/x
  3. Step 3: Cross multiply
    200,831,716.70x = 301,105,857.45 × 91,709,164.70
  4. Step 4: Simplify right side
    200,831,716.70x = 27,614,166,673,016,772
  5. Step 5: Solve for x
    x = 27,614,166,673,016,772/200,831,716.70
  6. Step 6: Final answer
    x = 137,499,032.16

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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.