Home / 199,637,314.10-298,952,086.35-131,108,981.30

Finding the Fourth Proportional to 199,637,314.10, 298,952,086.35 and 131,108,981.30

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Solution

The fourth proportional to 199,637,314.10, 298,952,086.35 and 131,108,981.30 is: 196,332,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,637,314.10 : 298,952,086.35 = 131,108,981.30 : x
  2. Step 2: Convert to fraction form
    199,637,314.10/298,952,086.35 = 131,108,981.30/x
  3. Step 3: Cross multiply
    199,637,314.10x = 298,952,086.35 × 131,108,981.30
  4. Step 4: Simplify right side
    199,637,314.10x = 39,195,303,498,858,136
  5. Step 5: Solve for x
    x = 39,195,303,498,858,136/199,637,314.10
  6. Step 6: Final answer
    x = 196,332,552.74

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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.