Home / 53,420,519.20-80,130,778.80-13,031,003.20

Finding the Fourth Proportional to 53,420,519.20, 80,130,778.80 and 13,031,003.20

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Solution

The fourth proportional to 53,420,519.20, 80,130,778.80 and 13,031,003.20 is: 19,546,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420,519.20 : 80,130,778.80 = 13,031,003.20 : x
  2. Step 2: Convert to fraction form
    53,420,519.20/80,130,778.80 = 13,031,003.20/x
  3. Step 3: Cross multiply
    53,420,519.20x = 80,130,778.80 × 13,031,003.20
  4. Step 4: Simplify right side
    53,420,519.20x = 1,044,184,434,961,292
  5. Step 5: Solve for x
    x = 1,044,184,434,961,292/53,420,519.20
  6. Step 6: Final answer
    x = 19,546,504.80

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1.5x scale

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.