Home / 35,529,572.80-53,223,500.40-20,365,789.60

Finding the Fourth Proportional to 35,529,572.80, 53,223,500.40 and 20,365,789.60

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Solution

The fourth proportional to 35,529,572.80, 53,223,500.40 and 20,365,789.60 is: 30,508,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,529,572.80 : 53,223,500.40 = 20,365,789.60 : x
  2. Step 2: Convert to fraction form
    35,529,572.80/53,223,500.40 = 20,365,789.60/x
  3. Step 3: Cross multiply
    35,529,572.80x = 53,223,500.40 × 20,365,789.60
  4. Step 4: Simplify right side
    35,529,572.80x = 1,083,938,610,921,915.88
  5. Step 5: Solve for x
    x = 1,083,938,610,921,915.88/35,529,572.80
  6. Step 6: Final answer
    x = 30,508,067.66

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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.