Home / 198,463,313.20-297,694,969.80-62,190,468.40

Finding the Fourth Proportional to 198,463,313.20, 297,694,969.80 and 62,190,468.40

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Solution

The fourth proportional to 198,463,313.20, 297,694,969.80 and 62,190,468.40 is: 93,285,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,463,313.20 : 297,694,969.80 = 62,190,468.40 : x
  2. Step 2: Convert to fraction form
    198,463,313.20/297,694,969.80 = 62,190,468.40/x
  3. Step 3: Cross multiply
    198,463,313.20x = 297,694,969.80 × 62,190,468.40
  4. Step 4: Simplify right side
    198,463,313.20x = 18,513,789,612,185,856
  5. Step 5: Solve for x
    x = 18,513,789,612,185,856/198,463,313.20
  6. Step 6: Final answer
    x = 93,285,702.60

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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.