Home / 208,076,579.80-312,114,869.70-195,321,995.80

Finding the Fourth Proportional to 208,076,579.80, 312,114,869.70 and 195,321,995.80

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Solution

The fourth proportional to 208,076,579.80, 312,114,869.70 and 195,321,995.80 is: 292,982,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,076,579.80 : 312,114,869.70 = 195,321,995.80 : x
  2. Step 2: Convert to fraction form
    208,076,579.80/312,114,869.70 = 195,321,995.80/x
  3. Step 3: Cross multiply
    208,076,579.80x = 312,114,869.70 × 195,321,995.80
  4. Step 4: Simplify right side
    208,076,579.80x = 60,962,899,268,660,952
  5. Step 5: Solve for x
    x = 60,962,899,268,660,952/208,076,579.80
  6. Step 6: Final answer
    x = 292,982,993.70

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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.