Home / 53,978,256.60-80,971,583.94-15,640,321.56

Finding the Fourth Proportional to 53,978,256.60, 80,971,583.94 and 15,640,321.56

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Solution

The fourth proportional to 53,978,256.60, 80,971,583.94 and 15,640,321.56 is: 23,461,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,978,256.60 : 80,971,583.94 = 15,640,321.56 : x
  2. Step 2: Convert to fraction form
    53,978,256.60/80,971,583.94 = 15,640,321.56/x
  3. Step 3: Cross multiply
    53,978,256.60x = 80,971,583.94 × 15,640,321.56
  4. Step 4: Simplify right side
    53,978,256.60x = 1,266,421,610,044,131.75
  5. Step 5: Solve for x
    x = 1,266,421,610,044,131.75/53,978,256.60
  6. Step 6: Final answer
    x = 23,461,699.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.