Home / 181,919,629.20-272,879,443.80-66,880,367.40

Finding the Fourth Proportional to 181,919,629.20, 272,879,443.80 and 66,880,367.40

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Solution

The fourth proportional to 181,919,629.20, 272,879,443.80 and 66,880,367.40 is: 100,320,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,919,629.20 : 272,879,443.80 = 66,880,367.40 : x
  2. Step 2: Convert to fraction form
    181,919,629.20/272,879,443.80 = 66,880,367.40/x
  3. Step 3: Cross multiply
    181,919,629.20x = 272,879,443.80 × 66,880,367.40
  4. Step 4: Simplify right side
    181,919,629.20x = 18,250,277,457,251,652
  5. Step 5: Solve for x
    x = 18,250,277,457,251,652/181,919,629.20
  6. Step 6: Final answer
    x = 100,320,551.10

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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.