Home / 53,438,505.60-80,094,772.80-39,959,587.20

Finding the Fourth Proportional to 53,438,505.60, 80,094,772.80 and 39,959,587.20

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Solution

The fourth proportional to 53,438,505.60, 80,094,772.80 and 39,959,587.20 is: 59,892,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438,505.60 : 80,094,772.80 = 39,959,587.20 : x
  2. Step 2: Convert to fraction form
    53,438,505.60/80,094,772.80 = 39,959,587.20/x
  3. Step 3: Cross multiply
    53,438,505.60x = 80,094,772.80 × 39,959,587.20
  4. Step 4: Simplify right side
    53,438,505.60x = 3,200,554,057,965,788.50
  5. Step 5: Solve for x
    x = 3,200,554,057,965,788.50/53,438,505.60
  6. Step 6: Final answer
    x = 59,892,282.20

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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.