Home / 45,055,258.12-67,472,659.86-40,688,258.20

Finding the Fourth Proportional to 45,055,258.12, 67,472,659.86 and 40,688,258.20

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Solution

The fourth proportional to 45,055,258.12, 67,472,659.86 and 40,688,258.20 is: 60,932,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,055,258.12 : 67,472,659.86 = 40,688,258.20 : x
  2. Step 2: Convert to fraction form
    45,055,258.12/67,472,659.86 = 40,688,258.20/x
  3. Step 3: Cross multiply
    45,055,258.12x = 67,472,659.86 × 40,688,258.20
  4. Step 4: Simplify right side
    45,055,258.12x = 2,745,345,005,824,456
  5. Step 5: Solve for x
    x = 2,745,345,005,824,456/45,055,258.12
  6. Step 6: Final answer
    x = 60,932,843.81

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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.