Home / 114,995,245.40-172,492,868.10-82,578,656.60

Finding the Fourth Proportional to 114,995,245.40, 172,492,868.10 and 82,578,656.60

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Solution

The fourth proportional to 114,995,245.40, 172,492,868.10 and 82,578,656.60 is: 123,867,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,995,245.40 : 172,492,868.10 = 82,578,656.60 : x
  2. Step 2: Convert to fraction form
    114,995,245.40/172,492,868.10 = 82,578,656.60/x
  3. Step 3: Cross multiply
    114,995,245.40x = 172,492,868.10 × 82,578,656.60
  4. Step 4: Simplify right side
    114,995,245.40x = 14,244,229,320,778,992
  5. Step 5: Solve for x
    x = 14,244,229,320,778,992/114,995,245.40
  6. Step 6: Final answer
    x = 123,867,984.90

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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.