Home / 53,968,400.60-80,924,607.30-19,872,195.80

Finding the Fourth Proportional to 53,968,400.60, 80,924,607.30 and 19,872,195.80

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Solution

The fourth proportional to 53,968,400.60, 80,924,607.30 and 19,872,195.80 is: 29,797,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968,400.60 : 80,924,607.30 = 19,872,195.80 : x
  2. Step 2: Convert to fraction form
    53,968,400.60/80,924,607.30 = 19,872,195.80/x
  3. Step 3: Cross multiply
    53,968,400.60x = 80,924,607.30 × 19,872,195.80
  4. Step 4: Simplify right side
    53,968,400.60x = 1,608,149,641,303,709.25
  5. Step 5: Solve for x
    x = 1,608,149,641,303,709.25/53,968,400.60
  6. Step 6: Final answer
    x = 29,797,985.92

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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.