Home / 215,963,723.80-323,945,585.70-199,335,525.40

Finding the Fourth Proportional to 215,963,723.80, 323,945,585.70 and 199,335,525.40

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Solution

The fourth proportional to 215,963,723.80, 323,945,585.70 and 199,335,525.40 is: 299,003,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,963,723.80 : 323,945,585.70 = 199,335,525.40 : x
  2. Step 2: Convert to fraction form
    215,963,723.80/323,945,585.70 = 199,335,525.40/x
  3. Step 3: Cross multiply
    215,963,723.80x = 323,945,585.70 × 199,335,525.40
  4. Step 4: Simplify right side
    215,963,723.80x = 64,573,863,526,520,224
  5. Step 5: Solve for x
    x = 64,573,863,526,520,224/215,963,723.80
  6. Step 6: Final answer
    x = 299,003,288.10

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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.