Home / 181,915,945.20-272,873,917.80-66,876,683.40

Finding the Fourth Proportional to 181,915,945.20, 272,873,917.80 and 66,876,683.40

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Solution

The fourth proportional to 181,915,945.20, 272,873,917.80 and 66,876,683.40 is: 100,315,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,915,945.20 : 272,873,917.80 = 66,876,683.40 : x
  2. Step 2: Convert to fraction form
    181,915,945.20/272,873,917.80 = 66,876,683.40/x
  3. Step 3: Cross multiply
    181,915,945.20x = 272,873,917.80 × 66,876,683.40
  4. Step 4: Simplify right side
    181,915,945.20x = 18,248,902,608,828,224
  5. Step 5: Solve for x
    x = 18,248,902,608,828,224/181,915,945.20
  6. Step 6: Final answer
    x = 100,315,025.10

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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.