Home / 53,286,656.13-79,929,937.43-20,056,078.53

Finding the Fourth Proportional to 53,286,656.13, 79,929,937.43 and 20,056,078.53

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Solution

The fourth proportional to 53,286,656.13, 79,929,937.43 and 20,056,078.53 is: 30,084,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,286,656.13 : 79,929,937.43 = 20,056,078.53 : x
  2. Step 2: Convert to fraction form
    53,286,656.13/79,929,937.43 = 20,056,078.53/x
  3. Step 3: Cross multiply
    53,286,656.13x = 79,929,937.43 × 20,056,078.53
  4. Step 4: Simplify right side
    53,286,656.13x = 1,603,081,102,137,401.75
  5. Step 5: Solve for x
    x = 1,603,081,102,137,401.75/53,286,656.13
  6. Step 6: Final answer
    x = 30,084,100.20

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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.