Home / 217,784,719,114.80-300,543,846,741.60-118,796,138,406.17

Finding the Fourth Proportional to 217,784,719,114.80, 300,543,846,741.60 and 118,796,138,406.17

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Solution

The fourth proportional to 217,784,719,114.80, 300,543,846,741.60 and 118,796,138,406.17 is: 163,939,180,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,784,719,114.80 : 300,543,846,741.60 = 118,796,138,406.17 : x
  2. Step 2: Convert to fraction form
    217,784,719,114.80/300,543,846,741.60 = 118,796,138,406.17/x
  3. Step 3: Cross multiply
    217,784,719,114.80x = 300,543,846,741.60 × 118,796,138,406.17
  4. Step 4: Simplify right side
    217,784,719,114.80x = 35,703,448,414,637,856,391,168
  5. Step 5: Solve for x
    x = 35,703,448,414,637,856,391,168/217,784,719,114.80
  6. Step 6: Final answer
    x = 163,939,180,672.35

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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.