Home / 53,946,013.80-80,919,020.70-19,860,306.60

Finding the Fourth Proportional to 53,946,013.80, 80,919,020.70 and 19,860,306.60

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Solution

The fourth proportional to 53,946,013.80, 80,919,020.70 and 19,860,306.60 is: 29,790,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946,013.80 : 80,919,020.70 = 19,860,306.60 : x
  2. Step 2: Convert to fraction form
    53,946,013.80/80,919,020.70 = 19,860,306.60/x
  3. Step 3: Cross multiply
    53,946,013.80x = 80,919,020.70 × 19,860,306.60
  4. Step 4: Simplify right side
    53,946,013.80x = 1,607,076,560,873,746.75
  5. Step 5: Solve for x
    x = 1,607,076,560,873,746.75/53,946,013.80
  6. Step 6: Final answer
    x = 29,790,459.90

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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.