Home / 193,555,897.20-290,333,845.80-132,243,692.40

Finding the Fourth Proportional to 193,555,897.20, 290,333,845.80 and 132,243,692.40

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Solution

The fourth proportional to 193,555,897.20, 290,333,845.80 and 132,243,692.40 is: 198,365,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,897.20 : 290,333,845.80 = 132,243,692.40 : x
  2. Step 2: Convert to fraction form
    193,555,897.20/290,333,845.80 = 132,243,692.40/x
  3. Step 3: Cross multiply
    193,555,897.20x = 290,333,845.80 × 132,243,692.40
  4. Step 4: Simplify right side
    193,555,897.20x = 38,394,819,797,284,232
  5. Step 5: Solve for x
    x = 38,394,819,797,284,232/193,555,897.20
  6. Step 6: Final answer
    x = 198,365,538.60

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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.