Home / 216,501,862.50-324,785,212.38-78,359,792.04

Finding the Fourth Proportional to 216,501,862.50, 324,785,212.38 and 78,359,792.04

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Solution

The fourth proportional to 216,501,862.50, 324,785,212.38 and 78,359,792.04 is: 117,551,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,501,862.50 : 324,785,212.38 = 78,359,792.04 : x
  2. Step 2: Convert to fraction form
    216,501,862.50/324,785,212.38 = 78,359,792.04/x
  3. Step 3: Cross multiply
    216,501,862.50x = 324,785,212.38 × 78,359,792.04
  4. Step 4: Simplify right side
    216,501,862.50x = 25,450,101,699,764,036
  5. Step 5: Solve for x
    x = 25,450,101,699,764,036/216,501,862.50
  6. Step 6: Final answer
    x = 117,551,421.53

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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.