Home / 208,076,574.80-312,114,862.20-195,321,990.80

Finding the Fourth Proportional to 208,076,574.80, 312,114,862.20 and 195,321,990.80

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Solution

The fourth proportional to 208,076,574.80, 312,114,862.20 and 195,321,990.80 is: 292,982,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,076,574.80 : 312,114,862.20 = 195,321,990.80 : x
  2. Step 2: Convert to fraction form
    208,076,574.80/312,114,862.20 = 195,321,990.80/x
  3. Step 3: Cross multiply
    208,076,574.80x = 312,114,862.20 × 195,321,990.80
  4. Step 4: Simplify right side
    208,076,574.80x = 60,962,896,243,171,672
  5. Step 5: Solve for x
    x = 60,962,896,243,171,672/208,076,574.80
  6. Step 6: Final answer
    x = 292,982,986.20

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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.