Home / 100,232,213.80-150,348,320.70-80,076,821.80

Finding the Fourth Proportional to 100,232,213.80, 150,348,320.70 and 80,076,821.80

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Solution

The fourth proportional to 100,232,213.80, 150,348,320.70 and 80,076,821.80 is: 120,115,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,232,213.80 : 150,348,320.70 = 80,076,821.80 : x
  2. Step 2: Convert to fraction form
    100,232,213.80/150,348,320.70 = 80,076,821.80/x
  3. Step 3: Cross multiply
    100,232,213.80x = 150,348,320.70 × 80,076,821.80
  4. Step 4: Simplify right side
    100,232,213.80x = 12,039,415,684,623,150
  5. Step 5: Solve for x
    x = 12,039,415,684,623,150/100,232,213.80
  6. Step 6: Final answer
    x = 120,115,232.70

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1.5x scale

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.