Home / 80,055,210.90-110,530,422.21-50,712,582.42

Finding the Fourth Proportional to 80,055,210.90, 110,530,422.21 and 50,712,582.42

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Solution

The fourth proportional to 80,055,210.90, 110,530,422.21 and 50,712,582.42 is: 70,017,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,055,210.90 : 110,530,422.21 = 50,712,582.42 : x
  2. Step 2: Convert to fraction form
    80,055,210.90/110,530,422.21 = 50,712,582.42/x
  3. Step 3: Cross multiply
    80,055,210.90x = 110,530,422.21 × 50,712,582.42
  4. Step 4: Simplify right side
    80,055,210.90x = 5,605,283,146,242,023
  5. Step 5: Solve for x
    x = 5,605,283,146,242,023/80,055,210.90
  6. Step 6: Final answer
    x = 70,017,717.56

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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.