Home / 146,749,464.36-202,514,918.40-80,674,212.78

Finding the Fourth Proportional to 146,749,464.36, 202,514,918.40 and 80,674,212.78

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Solution

The fourth proportional to 146,749,464.36, 202,514,918.40 and 80,674,212.78 is: 111,330,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749,464.36 : 202,514,918.40 = 80,674,212.78 : x
  2. Step 2: Convert to fraction form
    146,749,464.36/202,514,918.40 = 80,674,212.78/x
  3. Step 3: Cross multiply
    146,749,464.36x = 202,514,918.40 × 80,674,212.78
  4. Step 4: Simplify right side
    146,749,464.36x = 16,337,731,618,125,938
  5. Step 5: Solve for x
    x = 16,337,731,618,125,938/146,749,464.36
  6. Step 6: Final answer
    x = 111,330,775.14

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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.