Home / 131,659,642.08-197,520,994.80-54,939,993.12

Finding the Fourth Proportional to 131,659,642.08, 197,520,994.80 and 54,939,993.12

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Solution

The fourth proportional to 131,659,642.08, 197,520,994.80 and 54,939,993.12 is: 82,423,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,659,642.08 : 197,520,994.80 = 54,939,993.12 : x
  2. Step 2: Convert to fraction form
    131,659,642.08/197,520,994.80 = 54,939,993.12/x
  3. Step 3: Cross multiply
    131,659,642.08x = 197,520,994.80 × 54,939,993.12
  4. Step 4: Simplify right side
    131,659,642.08x = 10,851,802,095,367,556
  5. Step 5: Solve for x
    x = 10,851,802,095,367,556/131,659,642.08
  6. Step 6: Final answer
    x = 82,423,147.47

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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.