Home / 131,238,192.62-196,672,465.53-100,413,433.66

Finding the Fourth Proportional to 131,238,192.62, 196,672,465.53 and 100,413,433.66

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Solution

The fourth proportional to 131,238,192.62, 196,672,465.53 and 100,413,433.66 is: 150,478,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,238,192.62 : 196,672,465.53 = 100,413,433.66 : x
  2. Step 2: Convert to fraction form
    131,238,192.62/196,672,465.53 = 100,413,433.66/x
  3. Step 3: Cross multiply
    131,238,192.62x = 196,672,465.53 × 100,413,433.66
  4. Step 4: Simplify right side
    131,238,192.62x = 19,748,557,570,245,292
  5. Step 5: Solve for x
    x = 19,748,557,570,245,292/131,238,192.62
  6. Step 6: Final answer
    x = 150,478,737.75

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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.