Home / 80,475,771.78-111,071,058.48-47,434,092.18

Finding the Fourth Proportional to 80,475,771.78, 111,071,058.48 and 47,434,092.18

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Solution

The fourth proportional to 80,475,771.78, 111,071,058.48 and 47,434,092.18 is: 65,467,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,475,771.78 : 111,071,058.48 = 47,434,092.18 : x
  2. Step 2: Convert to fraction form
    80,475,771.78/111,071,058.48 = 47,434,092.18/x
  3. Step 3: Cross multiply
    80,475,771.78x = 111,071,058.48 × 47,434,092.18
  4. Step 4: Simplify right side
    80,475,771.78x = 5,268,554,826,470,491
  5. Step 5: Solve for x
    x = 5,268,554,826,470,491/80,475,771.78
  6. Step 6: Final answer
    x = 65,467,589.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.