Home / 216,118,999.92-324,307,610.76-198,535,947.60

Finding the Fourth Proportional to 216,118,999.92, 324,307,610.76 and 198,535,947.60

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Solution

The fourth proportional to 216,118,999.92, 324,307,610.76 and 198,535,947.60 is: 297,922,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,118,999.92 : 324,307,610.76 = 198,535,947.60 : x
  2. Step 2: Convert to fraction form
    216,118,999.92/324,307,610.76 = 198,535,947.60/x
  3. Step 3: Cross multiply
    216,118,999.92x = 324,307,610.76 × 198,535,947.60
  4. Step 4: Simplify right side
    216,118,999.92x = 64,386,718,816,128,552
  5. Step 5: Solve for x
    x = 64,386,718,816,128,552/216,118,999.92
  6. Step 6: Final answer
    x = 297,922,528.05

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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.