Home / 72,183,750.30-108,275,625.45-68,824,518.30

Finding the Fourth Proportional to 72,183,750.30, 108,275,625.45 and 68,824,518.30

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Solution

The fourth proportional to 72,183,750.30, 108,275,625.45 and 68,824,518.30 is: 103,236,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,750.30 : 108,275,625.45 = 68,824,518.30 : x
  2. Step 2: Convert to fraction form
    72,183,750.30/108,275,625.45 = 68,824,518.30/x
  3. Step 3: Cross multiply
    72,183,750.30x = 108,275,625.45 × 68,824,518.30
  4. Step 4: Simplify right side
    72,183,750.30x = 7,452,017,765,227,471
  5. Step 5: Solve for x
    x = 7,452,017,765,227,471/72,183,750.30
  6. Step 6: Final answer
    x = 103,236,777.45

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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.