Home / 199,281,696.70-298,922,545.05-91,786,272.70

Finding the Fourth Proportional to 199,281,696.70, 298,922,545.05 and 91,786,272.70

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Solution

The fourth proportional to 199,281,696.70, 298,922,545.05 and 91,786,272.70 is: 137,679,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,281,696.70 : 298,922,545.05 = 91,786,272.70 : x
  2. Step 2: Convert to fraction form
    199,281,696.70/298,922,545.05 = 91,786,272.70/x
  3. Step 3: Cross multiply
    199,281,696.70x = 298,922,545.05 × 91,786,272.70
  4. Step 4: Simplify right side
    199,281,696.70x = 27,436,986,236,137,336
  5. Step 5: Solve for x
    x = 27,436,986,236,137,336/199,281,696.70
  6. Step 6: Final answer
    x = 137,679,409.05

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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.