Home / 165,887,998.70-248,831,998.05-149,166,488.30

Finding the Fourth Proportional to 165,887,998.70, 248,831,998.05 and 149,166,488.30

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Solution

The fourth proportional to 165,887,998.70, 248,831,998.05 and 149,166,488.30 is: 223,749,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,887,998.70 : 248,831,998.05 = 149,166,488.30 : x
  2. Step 2: Convert to fraction form
    165,887,998.70/248,831,998.05 = 149,166,488.30/x
  3. Step 3: Cross multiply
    165,887,998.70x = 248,831,998.05 × 149,166,488.30
  4. Step 4: Simplify right side
    165,887,998.70x = 37,117,395,325,790,952
  5. Step 5: Solve for x
    x = 37,117,395,325,790,952/165,887,998.70
  6. Step 6: Final answer
    x = 223,749,732.45

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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.