Home / 214,912,021.20-322,368,031.80-154,893,742.80

Finding the Fourth Proportional to 214,912,021.20, 322,368,031.80 and 154,893,742.80

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Solution

The fourth proportional to 214,912,021.20, 322,368,031.80 and 154,893,742.80 is: 232,340,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912,021.20 : 322,368,031.80 = 154,893,742.80 : x
  2. Step 2: Convert to fraction form
    214,912,021.20/322,368,031.80 = 154,893,742.80/x
  3. Step 3: Cross multiply
    214,912,021.20x = 322,368,031.80 × 154,893,742.80
  4. Step 4: Simplify right side
    214,912,021.20x = 49,932,791,004,571,424
  5. Step 5: Solve for x
    x = 49,932,791,004,571,424/214,912,021.20
  6. Step 6: Final answer
    x = 232,340,614.20

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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.