Home / 223,787,510.91-306,589,983.57-215,400,015.63

Finding the Fourth Proportional to 223,787,510.91, 306,589,983.57 and 215,400,015.63

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Solution

The fourth proportional to 223,787,510.91, 306,589,983.57 and 215,400,015.63 is: 295,099,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,787,510.91 : 306,589,983.57 = 215,400,015.63 : x
  2. Step 2: Convert to fraction form
    223,787,510.91/306,589,983.57 = 215,400,015.63/x
  3. Step 3: Cross multiply
    223,787,510.91x = 306,589,983.57 × 215,400,015.63
  4. Step 4: Simplify right side
    223,787,510.91x = 66,039,487,252,979,440
  5. Step 5: Solve for x
    x = 66,039,487,252,979,440/223,787,510.91
  6. Step 6: Final answer
    x = 295,099,074.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.