Home / 209,310,130.52-313,941,239.39-55,968,144.38

Finding the Fourth Proportional to 209,310,130.52, 313,941,239.39 and 55,968,144.38

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Solution

The fourth proportional to 209,310,130.52, 313,941,239.39 and 55,968,144.38 is: 83,945,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,310,130.52 : 313,941,239.39 = 55,968,144.38 : x
  2. Step 2: Convert to fraction form
    209,310,130.52/313,941,239.39 = 55,968,144.38/x
  3. Step 3: Cross multiply
    209,310,130.52x = 313,941,239.39 × 55,968,144.38
  4. Step 4: Simplify right side
    209,310,130.52x = 17,570,708,611,166,116
  5. Step 5: Solve for x
    x = 17,570,708,611,166,116/209,310,130.52
  6. Step 6: Final answer
    x = 83,945,810.78

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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.