Home / 208,077,294.30-312,115,941.45-195,322,710.30

Finding the Fourth Proportional to 208,077,294.30, 312,115,941.45 and 195,322,710.30

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Solution

The fourth proportional to 208,077,294.30, 312,115,941.45 and 195,322,710.30 is: 292,984,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077,294.30 : 312,115,941.45 = 195,322,710.30 : x
  2. Step 2: Convert to fraction form
    208,077,294.30/312,115,941.45 = 195,322,710.30/x
  3. Step 3: Cross multiply
    208,077,294.30x = 312,115,941.45 × 195,322,710.30
  4. Step 4: Simplify right side
    208,077,294.30x = 60,963,331,611,850,112
  5. Step 5: Solve for x
    x = 60,963,331,611,850,112/208,077,294.30
  6. Step 6: Final answer
    x = 292,984,065.45

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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.