Home / 86,315,635.80-129,473,453.70-54,067,008.60

Finding the Fourth Proportional to 86,315,635.80, 129,473,453.70 and 54,067,008.60

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Solution

The fourth proportional to 86,315,635.80, 129,473,453.70 and 54,067,008.60 is: 81,100,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,315,635.80 : 129,473,453.70 = 54,067,008.60 : x
  2. Step 2: Convert to fraction form
    86,315,635.80/129,473,453.70 = 54,067,008.60/x
  3. Step 3: Cross multiply
    86,315,635.80x = 129,473,453.70 × 54,067,008.60
  4. Step 4: Simplify right side
    86,315,635.80x = 7,000,242,334,669,602
  5. Step 5: Solve for x
    x = 7,000,242,334,669,602/86,315,635.80
  6. Step 6: Final answer
    x = 81,100,512.90

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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.