Home / 231,849,619.20-347,821,084.80-68,087,059.20

Finding the Fourth Proportional to 231,849,619.20, 347,821,084.80 and 68,087,059.20

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Solution

The fourth proportional to 231,849,619.20, 347,821,084.80 and 68,087,059.20 is: 102,144,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,849,619.20 : 347,821,084.80 = 68,087,059.20 : x
  2. Step 2: Convert to fraction form
    231,849,619.20/347,821,084.80 = 68,087,059.20/x
  3. Step 3: Cross multiply
    231,849,619.20x = 347,821,084.80 × 68,087,059.20
  4. Step 4: Simplify right side
    231,849,619.20x = 23,682,114,791,785,824
  5. Step 5: Solve for x
    x = 23,682,114,791,785,824/231,849,619.20
  6. Step 6: Final answer
    x = 102,144,290.22

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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.