Home / 543,193,376.76-814,782,081.78-134,249,562.36

Finding the Fourth Proportional to 543,193,376.76, 814,782,081.78 and 134,249,562.36

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Solution

The fourth proportional to 543,193,376.76, 814,782,081.78 and 134,249,562.36 is: 201,372,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,193,376.76 : 814,782,081.78 = 134,249,562.36 : x
  2. Step 2: Convert to fraction form
    543,193,376.76/814,782,081.78 = 134,249,562.36/x
  3. Step 3: Cross multiply
    543,193,376.76x = 814,782,081.78 × 134,249,562.36
  4. Step 4: Simplify right side
    543,193,376.76x = 109,384,137,897,734,736
  5. Step 5: Solve for x
    x = 109,384,137,897,734,736/543,193,376.76
  6. Step 6: Final answer
    x = 201,372,370.46

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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.