Home / 202,454,152.82-279,387,000.33-109,634,820.74

Finding the Fourth Proportional to 202,454,152.82, 279,387,000.33 and 109,634,820.74

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Solution

The fourth proportional to 202,454,152.82, 279,387,000.33 and 109,634,820.74 is: 151,296,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454,152.82 : 279,387,000.33 = 109,634,820.74 : x
  2. Step 2: Convert to fraction form
    202,454,152.82/279,387,000.33 = 109,634,820.74/x
  3. Step 3: Cross multiply
    202,454,152.82x = 279,387,000.33 × 109,634,820.74
  4. Step 4: Simplify right side
    202,454,152.82x = 30,630,543,698,265,868
  5. Step 5: Solve for x
    x = 30,630,543,698,265,868/202,454,152.82
  6. Step 6: Final answer
    x = 151,296,198.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.