Home / 208,841,112.36-311,728,696.34-193,450,581

Finding the Fourth Proportional to 208,841,112.36, 311,728,696.34 and 193,450,581

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Solution

The fourth proportional to 208,841,112.36, 311,728,696.34 and 193,450,581 is: 288,755,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,841,112.36 : 311,728,696.34 = 193,450,581 : x
  2. Step 2: Convert to fraction form
    208,841,112.36/311,728,696.34 = 193,450,581/x
  3. Step 3: Cross multiply
    208,841,112.36x = 311,728,696.34 × 193,450,581
  4. Step 4: Simplify right side
    208,841,112.36x = 60,304,097,420,378,320
  5. Step 5: Solve for x
    x = 60,304,097,420,378,320/208,841,112.36
  6. Step 6: Final answer
    x = 288,755,871.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.