Home / 53,472,001.20-80,208,001.80-50,070,778.80

Finding the Fourth Proportional to 53,472,001.20, 80,208,001.80 and 50,070,778.80

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Solution

The fourth proportional to 53,472,001.20, 80,208,001.80 and 50,070,778.80 is: 75,106,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472,001.20 : 80,208,001.80 = 50,070,778.80 : x
  2. Step 2: Convert to fraction form
    53,472,001.20/80,208,001.80 = 50,070,778.80/x
  3. Step 3: Cross multiply
    53,472,001.20x = 80,208,001.80 × 50,070,778.80
  4. Step 4: Simplify right side
    53,472,001.20x = 4,016,077,116,117,801.50
  5. Step 5: Solve for x
    x = 4,016,077,116,117,801.50/53,472,001.20
  6. Step 6: Final answer
    x = 75,106,168.20

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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.