Home / 53,504,057.60-80,256,086.40-39,879,123.20

Finding the Fourth Proportional to 53,504,057.60, 80,256,086.40 and 39,879,123.20

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Solution

The fourth proportional to 53,504,057.60, 80,256,086.40 and 39,879,123.20 is: 59,818,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,504,057.60 : 80,256,086.40 = 39,879,123.20 : x
  2. Step 2: Convert to fraction form
    53,504,057.60/80,256,086.40 = 39,879,123.20/x
  3. Step 3: Cross multiply
    53,504,057.60x = 80,256,086.40 × 39,879,123.20
  4. Step 4: Simplify right side
    53,504,057.60x = 3,200,542,357,095,445
  5. Step 5: Solve for x
    x = 3,200,542,357,095,445/53,504,057.60
  6. Step 6: Final answer
    x = 59,818,684.80

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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.