Home / 199,605,806.70-298,960,812.45-163,773,998.70

Finding the Fourth Proportional to 199,605,806.70, 298,960,812.45 and 163,773,998.70

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Solution

The fourth proportional to 199,605,806.70, 298,960,812.45 and 163,773,998.70 is: 245,293,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605,806.70 : 298,960,812.45 = 163,773,998.70 : x
  2. Step 2: Convert to fraction form
    199,605,806.70/298,960,812.45 = 163,773,998.70/x
  3. Step 3: Cross multiply
    199,605,806.70x = 298,960,812.45 × 163,773,998.70
  4. Step 4: Simplify right side
    199,605,806.70x = 48,962,007,709,537,240
  5. Step 5: Solve for x
    x = 48,962,007,709,537,240/199,605,806.70
  6. Step 6: Final answer
    x = 245,293,503.83

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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.