Home / 206,385,486.18-309,578,228.37-75,237,597.06

Finding the Fourth Proportional to 206,385,486.18, 309,578,228.37 and 75,237,597.06

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Solution

The fourth proportional to 206,385,486.18, 309,578,228.37 and 75,237,597.06 is: 112,856,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,385,486.18 : 309,578,228.37 = 75,237,597.06 : x
  2. Step 2: Convert to fraction form
    206,385,486.18/309,578,228.37 = 75,237,597.06/x
  3. Step 3: Cross multiply
    206,385,486.18x = 309,578,228.37 × 75,237,597.06
  4. Step 4: Simplify right side
    206,385,486.18x = 23,291,922,004,650,720
  5. Step 5: Solve for x
    x = 23,291,922,004,650,720/206,385,486.18
  6. Step 6: Final answer
    x = 112,856,395.26

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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.