Home / 248,670,654.57-343,159,491.69-137,159,100.57

Finding the Fourth Proportional to 248,670,654.57, 343,159,491.69 and 137,159,100.57

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Solution

The fourth proportional to 248,670,654.57, 343,159,491.69 and 137,159,100.57 is: 189,276,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,670,654.57 : 343,159,491.69 = 137,159,100.57 : x
  2. Step 2: Convert to fraction form
    248,670,654.57/343,159,491.69 = 137,159,100.57/x
  3. Step 3: Cross multiply
    248,670,654.57x = 343,159,491.69 × 137,159,100.57
  4. Step 4: Simplify right side
    248,670,654.57x = 47,067,447,232,258,784
  5. Step 5: Solve for x
    x = 47,067,447,232,258,784/248,670,654.57
  6. Step 6: Final answer
    x = 189,276,242.96

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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.