Home / 136,689,057.96-205,081,527.38-39,650,588.56

Finding the Fourth Proportional to 136,689,057.96, 205,081,527.38 and 39,650,588.56

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Solution

The fourth proportional to 136,689,057.96, 205,081,527.38 and 39,650,588.56 is: 59,489,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,689,057.96 : 205,081,527.38 = 39,650,588.56 : x
  2. Step 2: Convert to fraction form
    136,689,057.96/205,081,527.38 = 39,650,588.56/x
  3. Step 3: Cross multiply
    136,689,057.96x = 205,081,527.38 × 39,650,588.56
  4. Step 4: Simplify right side
    136,689,057.96x = 8,131,603,264,369,989
  5. Step 5: Solve for x
    x = 8,131,603,264,369,989/136,689,057.96
  6. Step 6: Final answer
    x = 59,489,789.35

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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.