Home / 82,481,783.22-123,830,803.71-55,309,661.60

Finding the Fourth Proportional to 82,481,783.22, 123,830,803.71 and 55,309,661.60

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Solution

The fourth proportional to 82,481,783.22, 123,830,803.71 and 55,309,661.60 is: 83,037,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481,783.22 : 123,830,803.71 = 55,309,661.60 : x
  2. Step 2: Convert to fraction form
    82,481,783.22/123,830,803.71 = 55,309,661.60/x
  3. Step 3: Cross multiply
    82,481,783.22x = 123,830,803.71 × 55,309,661.60
  4. Step 4: Simplify right side
    82,481,783.22x = 6,849,039,848,236,970
  5. Step 5: Solve for x
    x = 6,849,039,848,236,970/82,481,783.22
  6. Step 6: Final answer
    x = 83,037,000.18

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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.