Home / 66,180,072.48-99,275,665.32-20,122,341.48

Finding the Fourth Proportional to 66,180,072.48, 99,275,665.32 and 20,122,341.48

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Solution

The fourth proportional to 66,180,072.48, 99,275,665.32 and 20,122,341.48 is: 30,185,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180,072.48 : 99,275,665.32 = 20,122,341.48 : x
  2. Step 2: Convert to fraction form
    66,180,072.48/99,275,665.32 = 20,122,341.48/x
  3. Step 3: Cross multiply
    66,180,072.48x = 99,275,665.32 × 20,122,341.48
  4. Step 4: Simplify right side
    66,180,072.48x = 1,997,658,837,664,048.25
  5. Step 5: Solve for x
    x = 1,997,658,837,664,048.25/66,180,072.48
  6. Step 6: Final answer
    x = 30,185,201.72

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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.