Home / 73,224,014.40-109,864,015.20-72,076,276.80

Finding the Fourth Proportional to 73,224,014.40, 109,864,015.20 and 72,076,276.80

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Solution

The fourth proportional to 73,224,014.40, 109,864,015.20 and 72,076,276.80 is: 108,141,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,224,014.40 : 109,864,015.20 = 72,076,276.80 : x
  2. Step 2: Convert to fraction form
    73,224,014.40/109,864,015.20 = 72,076,276.80/x
  3. Step 3: Cross multiply
    73,224,014.40x = 109,864,015.20 × 72,076,276.80
  4. Step 4: Simplify right side
    73,224,014.40x = 7,918,589,169,914,607
  5. Step 5: Solve for x
    x = 7,918,589,169,914,607/73,224,014.40
  6. Step 6: Final answer
    x = 108,141,970.02

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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.