Home / 198,925,690,154.46-298,543,269,296.61-138,844,036,813.02

Finding the Fourth Proportional to 198,925,690,154.46, 298,543,269,296.61 and 138,844,036,813.02

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Solution

The fourth proportional to 198,925,690,154.46, 298,543,269,296.61 and 138,844,036,813.02 is: 208,374,054,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,925,690,154.46 : 298,543,269,296.61 = 138,844,036,813.02 : x
  2. Step 2: Convert to fraction form
    198,925,690,154.46/298,543,269,296.61 = 138,844,036,813.02/x
  3. Step 3: Cross multiply
    198,925,690,154.46x = 298,543,269,296.61 × 138,844,036,813.02
  4. Step 4: Simplify right side
    198,925,690,154.46x = 41,450,952,672,497,857,724,416
  5. Step 5: Solve for x
    x = 41,450,952,672,497,857,724,416/198,925,690,154.46
  6. Step 6: Final answer
    x = 208,374,054,855.92

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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.