Home / 193,346,901.41-290,017,512.45-47,780,458.88

Finding the Fourth Proportional to 193,346,901.41, 290,017,512.45 and 47,780,458.88

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Solution

The fourth proportional to 193,346,901.41, 290,017,512.45 and 47,780,458.88 is: 71,669,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,346,901.41 : 290,017,512.45 = 47,780,458.88 : x
  2. Step 2: Convert to fraction form
    193,346,901.41/290,017,512.45 = 47,780,458.88/x
  3. Step 3: Cross multiply
    193,346,901.41x = 290,017,512.45 × 47,780,458.88
  4. Step 4: Simplify right side
    193,346,901.41x = 13,857,169,826,647,024
  5. Step 5: Solve for x
    x = 13,857,169,826,647,024/193,346,901.41
  6. Step 6: Final answer
    x = 71,669,986.57

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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.