Home / 297,098,421.20-445,269,718.20-143,413,557.20

Finding the Fourth Proportional to 297,098,421.20, 445,269,718.20 and 143,413,557.20

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Solution

The fourth proportional to 297,098,421.20, 445,269,718.20 and 143,413,557.20 is: 214,937,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,098,421.20 : 445,269,718.20 = 143,413,557.20 : x
  2. Step 2: Convert to fraction form
    297,098,421.20/445,269,718.20 = 143,413,557.20/x
  3. Step 3: Cross multiply
    297,098,421.20x = 445,269,718.20 × 143,413,557.20
  4. Step 4: Simplify right side
    297,098,421.20x = 63,857,714,200,503,576
  5. Step 5: Solve for x
    x = 63,857,714,200,503,576/297,098,421.20
  6. Step 6: Final answer
    x = 214,937,911.63

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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.