Home / 275,562,001.40-413,343,002.10-81,456,128.60

Finding the Fourth Proportional to 275,562,001.40, 413,343,002.10 and 81,456,128.60

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Solution

The fourth proportional to 275,562,001.40, 413,343,002.10 and 81,456,128.60 is: 122,184,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,562,001.40 : 413,343,002.10 = 81,456,128.60 : x
  2. Step 2: Convert to fraction form
    275,562,001.40/413,343,002.10 = 81,456,128.60/x
  3. Step 3: Cross multiply
    275,562,001.40x = 413,343,002.10 × 81,456,128.60
  4. Step 4: Simplify right side
    275,562,001.40x = 33,669,320,734,967,668
  5. Step 5: Solve for x
    x = 33,669,320,734,967,668/275,562,001.40
  6. Step 6: Final answer
    x = 122,184,192.90

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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.