Home / 181,551,139.20-272,161,371.60-66,507,940.80

Finding the Fourth Proportional to 181,551,139.20, 272,161,371.60 and 66,507,940.80

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Solution

The fourth proportional to 181,551,139.20, 272,161,371.60 and 66,507,940.80 is: 99,701,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,551,139.20 : 272,161,371.60 = 66,507,940.80 : x
  2. Step 2: Convert to fraction form
    181,551,139.20/272,161,371.60 = 66,507,940.80/x
  3. Step 3: Cross multiply
    181,551,139.20x = 272,161,371.60 × 66,507,940.80
  4. Step 4: Simplify right side
    181,551,139.20x = 18,100,892,390,419,604
  5. Step 5: Solve for x
    x = 18,100,892,390,419,604/181,551,139.20
  6. Step 6: Final answer
    x = 99,701,342.94

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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.