Home / 198,902,992,547.70-298,356,856,418.83-55,473,294,172.58

Finding the Fourth Proportional to 198,902,992,547.70, 298,356,856,418.83 and 55,473,294,172.58

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Solution

The fourth proportional to 198,902,992,547.70, 298,356,856,418.83 and 55,473,294,172.58 is: 83,210,601,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,902,992,547.70 : 298,356,856,418.83 = 55,473,294,172.58 : x
  2. Step 2: Convert to fraction form
    198,902,992,547.70/298,356,856,418.83 = 55,473,294,172.58/x
  3. Step 3: Cross multiply
    198,902,992,547.70x = 298,356,856,418.83 × 55,473,294,172.58
  4. Step 4: Simplify right side
    198,902,992,547.70x = 16,550,837,664,526,477,819,904
  5. Step 5: Solve for x
    x = 16,550,837,664,526,477,819,904/198,902,992,547.70
  6. Step 6: Final answer
    x = 83,210,601,572.81

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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.