Home / 57,660,090.40-86,490,135.60-19,308,858.40

Finding the Fourth Proportional to 57,660,090.40, 86,490,135.60 and 19,308,858.40

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Solution

The fourth proportional to 57,660,090.40, 86,490,135.60 and 19,308,858.40 is: 28,963,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,660,090.40 : 86,490,135.60 = 19,308,858.40 : x
  2. Step 2: Convert to fraction form
    57,660,090.40/86,490,135.60 = 19,308,858.40/x
  3. Step 3: Cross multiply
    57,660,090.40x = 86,490,135.60 × 19,308,858.40
  4. Step 4: Simplify right side
    57,660,090.40x = 1,670,025,781,297,198.75
  5. Step 5: Solve for x
    x = 1,670,025,781,297,198.75/57,660,090.40
  6. Step 6: Final answer
    x = 28,963,287.60

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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.