Home / 193,326,078.64-266,795,653.84-105,225,782.56

Finding the Fourth Proportional to 193,326,078.64, 266,795,653.84 and 105,225,782.56

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Solution

The fourth proportional to 193,326,078.64, 266,795,653.84 and 105,225,782.56 is: 145,214,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,326,078.64 : 266,795,653.84 = 105,225,782.56 : x
  2. Step 2: Convert to fraction form
    193,326,078.64/266,795,653.84 = 105,225,782.56/x
  3. Step 3: Cross multiply
    193,326,078.64x = 266,795,653.84 × 105,225,782.56
  4. Step 4: Simplify right side
    193,326,078.64x = 28,073,781,458,920,872
  5. Step 5: Solve for x
    x = 28,073,781,458,920,872/193,326,078.64
  6. Step 6: Final answer
    x = 145,214,663.52

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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.