Home / 57,212,260.80-85,851,568.80-21,314,097.60

Finding the Fourth Proportional to 57,212,260.80, 85,851,568.80 and 21,314,097.60

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Solution

The fourth proportional to 57,212,260.80, 85,851,568.80 and 21,314,097.60 is: 31,983,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212,260.80 : 85,851,568.80 = 21,314,097.60 : x
  2. Step 2: Convert to fraction form
    57,212,260.80/85,851,568.80 = 21,314,097.60/x
  3. Step 3: Cross multiply
    57,212,260.80x = 85,851,568.80 × 21,314,097.60
  4. Step 4: Simplify right side
    57,212,260.80x = 1,829,848,716,516,315
  5. Step 5: Solve for x
    x = 1,829,848,716,516,315/57,212,260.80
  6. Step 6: Final answer
    x = 31,983,506.52

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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.