Home / 543,172,145.69-814,750,252.99-134,228,301.05

Finding the Fourth Proportional to 543,172,145.69, 814,750,252.99 and 134,228,301.05

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Solution

The fourth proportional to 543,172,145.69, 814,750,252.99 and 134,228,301.05 is: 201,340,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,172,145.69 : 814,750,252.99 = 134,228,301.05 : x
  2. Step 2: Convert to fraction form
    543,172,145.69/814,750,252.99 = 134,228,301.05/x
  3. Step 3: Cross multiply
    543,172,145.69x = 814,750,252.99 × 134,228,301.05
  4. Step 4: Simplify right side
    543,172,145.69x = 109,362,542,238,905,392
  5. Step 5: Solve for x
    x = 109,362,542,238,905,392/543,172,145.69
  6. Step 6: Final answer
    x = 201,340,483.14

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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.