Home / 176,382,396.94-243,421,342.20-105,820,662.64

Finding the Fourth Proportional to 176,382,396.94, 243,421,342.20 and 105,820,662.64

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Solution

The fourth proportional to 176,382,396.94, 243,421,342.20 and 105,820,662.64 is: 146,040,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382,396.94 : 243,421,342.20 = 105,820,662.64 : x
  2. Step 2: Convert to fraction form
    176,382,396.94/243,421,342.20 = 105,820,662.64/x
  3. Step 3: Cross multiply
    176,382,396.94x = 243,421,342.20 × 105,820,662.64
  4. Step 4: Simplify right side
    176,382,396.94x = 25,759,007,732,322,196
  5. Step 5: Solve for x
    x = 25,759,007,732,322,196/176,382,396.94
  6. Step 6: Final answer
    x = 146,040,694.42

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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.