Home / 208,841,108.86-311,728,691.12-193,450,577.50

Finding the Fourth Proportional to 208,841,108.86, 311,728,691.12 and 193,450,577.50

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Solution

The fourth proportional to 208,841,108.86, 311,728,691.12 and 193,450,577.50 is: 288,755,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,841,108.86 : 311,728,691.12 = 193,450,577.50 : x
  2. Step 2: Convert to fraction form
    208,841,108.86/311,728,691.12 = 193,450,577.50/x
  3. Step 3: Cross multiply
    208,841,108.86x = 311,728,691.12 × 193,450,577.50
  4. Step 4: Simplify right side
    208,841,108.86x = 60,304,095,320,483,120
  5. Step 5: Solve for x
    x = 60,304,095,320,483,120/208,841,108.86
  6. Step 6: Final answer
    x = 288,755,866.36

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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.