Home / 82,441,810.20-123,662,715.30-53,743,996.20

Finding the Fourth Proportional to 82,441,810.20, 123,662,715.30 and 53,743,996.20

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Solution

The fourth proportional to 82,441,810.20, 123,662,715.30 and 53,743,996.20 is: 80,615,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,441,810.20 : 123,662,715.30 = 53,743,996.20 : x
  2. Step 2: Convert to fraction form
    82,441,810.20/123,662,715.30 = 53,743,996.20/x
  3. Step 3: Cross multiply
    82,441,810.20x = 123,662,715.30 × 53,743,996.20
  4. Step 4: Simplify right side
    82,441,810.20x = 6,646,128,501,164,882
  5. Step 5: Solve for x
    x = 6,646,128,501,164,882/82,441,810.20
  6. Step 6: Final answer
    x = 80,615,994.30

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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.