Home / 83,001,653.80-124,521,143.10-25,496,578.60

Finding the Fourth Proportional to 83,001,653.80, 124,521,143.10 and 25,496,578.60

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Solution

The fourth proportional to 83,001,653.80, 124,521,143.10 and 25,496,578.60 is: 38,250,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,653.80 : 124,521,143.10 = 25,496,578.60 : x
  2. Step 2: Convert to fraction form
    83,001,653.80/124,521,143.10 = 25,496,578.60/x
  3. Step 3: Cross multiply
    83,001,653.80x = 124,521,143.10 × 25,496,578.60
  4. Step 4: Simplify right side
    83,001,653.80x = 3,174,863,112,410,997.50
  5. Step 5: Solve for x
    x = 3,174,863,112,410,997.50/83,001,653.80
  6. Step 6: Final answer
    x = 38,250,600.65

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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.