Home / 133,076,299.20-199,614,448.80-72,610,123.20

Finding the Fourth Proportional to 133,076,299.20, 199,614,448.80 and 72,610,123.20

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Solution

The fourth proportional to 133,076,299.20, 199,614,448.80 and 72,610,123.20 is: 108,915,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076,299.20 : 199,614,448.80 = 72,610,123.20 : x
  2. Step 2: Convert to fraction form
    133,076,299.20/199,614,448.80 = 72,610,123.20/x
  3. Step 3: Cross multiply
    133,076,299.20x = 199,614,448.80 × 72,610,123.20
  4. Step 4: Simplify right side
    133,076,299.20x = 14,494,029,719,868,094
  5. Step 5: Solve for x
    x = 14,494,029,719,868,094/133,076,299.20
  6. Step 6: Final answer
    x = 108,915,184.80

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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.