Home / 57,272,179.52-79,035,308.84-31,166,884.22

Finding the Fourth Proportional to 57,272,179.52, 79,035,308.84 and 31,166,884.22

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Solution

The fourth proportional to 57,272,179.52, 79,035,308.84 and 31,166,884.22 is: 43,010,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272,179.52 : 79,035,308.84 = 31,166,884.22 : x
  2. Step 2: Convert to fraction form
    57,272,179.52/79,035,308.84 = 31,166,884.22/x
  3. Step 3: Cross multiply
    57,272,179.52x = 79,035,308.84 × 31,166,884.22
  4. Step 4: Simplify right side
    57,272,179.52x = 2,463,284,320,213,838.50
  5. Step 5: Solve for x
    x = 2,463,284,320,213,838.50/57,272,179.52
  6. Step 6: Final answer
    x = 43,010,137.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.