Home / 193,609,853.20-290,466,101.40-84,388,157.20

Finding the Fourth Proportional to 193,609,853.20, 290,466,101.40 and 84,388,157.20

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Solution

The fourth proportional to 193,609,853.20, 290,466,101.40 and 84,388,157.20 is: 126,604,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,609,853.20 : 290,466,101.40 = 84,388,157.20 : x
  2. Step 2: Convert to fraction form
    193,609,853.20/290,466,101.40 = 84,388,157.20/x
  3. Step 3: Cross multiply
    193,609,853.20x = 290,466,101.40 × 84,388,157.20
  4. Step 4: Simplify right side
    193,609,853.20x = 24,511,899,026,214,340
  5. Step 5: Solve for x
    x = 24,511,899,026,214,340/193,609,853.20
  6. Step 6: Final answer
    x = 126,604,605.19

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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.