Home / 65,124,361.87-97,665,801.67-21,394,969.90

Finding the Fourth Proportional to 65,124,361.87, 97,665,801.67 and 21,394,969.90

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Solution

The fourth proportional to 65,124,361.87, 97,665,801.67 and 21,394,969.90 is: 32,085,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,124,361.87 : 97,665,801.67 = 21,394,969.90 : x
  2. Step 2: Convert to fraction form
    65,124,361.87/97,665,801.67 = 21,394,969.90/x
  3. Step 3: Cross multiply
    65,124,361.87x = 97,665,801.67 × 21,394,969.90
  4. Step 4: Simplify right side
    65,124,361.87x = 2,089,556,886,691,368
  5. Step 5: Solve for x
    x = 2,089,556,886,691,368/65,124,361.87
  6. Step 6: Final answer
    x = 32,085,640.87

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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.