Home / 193,554,835.20-290,332,252.80-132,242,630.40

Finding the Fourth Proportional to 193,554,835.20, 290,332,252.80 and 132,242,630.40

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Solution

The fourth proportional to 193,554,835.20, 290,332,252.80 and 132,242,630.40 is: 198,363,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,554,835.20 : 290,332,252.80 = 132,242,630.40 : x
  2. Step 2: Convert to fraction form
    193,554,835.20/290,332,252.80 = 132,242,630.40/x
  3. Step 3: Cross multiply
    193,554,835.20x = 290,332,252.80 × 132,242,630.40
  4. Step 4: Simplify right side
    193,554,835.20x = 38,394,300,800,229,768
  5. Step 5: Solve for x
    x = 38,394,300,800,229,768/193,554,835.20
  6. Step 6: Final answer
    x = 198,363,945.60

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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.