Home / 190,635,569.75-263,062,648.59-106,987,545.20

Finding the Fourth Proportional to 190,635,569.75, 263,062,648.59 and 106,987,545.20

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Solution

The fourth proportional to 190,635,569.75, 263,062,648.59 and 106,987,545.20 is: 147,634,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635,569.75 : 263,062,648.59 = 106,987,545.20 : x
  2. Step 2: Convert to fraction form
    190,635,569.75/263,062,648.59 = 106,987,545.20/x
  3. Step 3: Cross multiply
    190,635,569.75x = 263,062,648.59 × 106,987,545.20
  4. Step 4: Simplify right side
    190,635,569.75x = 28,144,427,006,454,344
  5. Step 5: Solve for x
    x = 28,144,427,006,454,344/190,635,569.75
  6. Step 6: Final answer
    x = 147,634,709.74

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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.