Home / 201,941,221.51-302,290,557.17-131,760,333.71

Finding the Fourth Proportional to 201,941,221.51, 302,290,557.17 and 131,760,333.71

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Solution

The fourth proportional to 201,941,221.51, 302,290,557.17 and 131,760,333.71 is: 197,235,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,941,221.51 : 302,290,557.17 = 131,760,333.71 : x
  2. Step 2: Convert to fraction form
    201,941,221.51/302,290,557.17 = 131,760,333.71/x
  3. Step 3: Cross multiply
    201,941,221.51x = 302,290,557.17 × 131,760,333.71
  4. Step 4: Simplify right side
    201,941,221.51x = 39,829,904,690,101,032
  5. Step 5: Solve for x
    x = 39,829,904,690,101,032/201,941,221.51
  6. Step 6: Final answer
    x = 197,235,137.99

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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.