Home / 213,652,739.66-320,473,130.75-68,095,035.56

Finding the Fourth Proportional to 213,652,739.66, 320,473,130.75 and 68,095,035.56

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Solution

The fourth proportional to 213,652,739.66, 320,473,130.75 and 68,095,035.56 is: 102,140,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,652,739.66 : 320,473,130.75 = 68,095,035.56 : x
  2. Step 2: Convert to fraction form
    213,652,739.66/320,473,130.75 = 68,095,035.56/x
  3. Step 3: Cross multiply
    213,652,739.66x = 320,473,130.75 × 68,095,035.56
  4. Step 4: Simplify right side
    213,652,739.66x = 21,822,629,234,105,304
  5. Step 5: Solve for x
    x = 21,822,629,234,105,304/213,652,739.66
  6. Step 6: Final answer
    x = 102,140,647.81

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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.