Home / 202,454,151.57-279,386,998.61-109,634,819.49

Finding the Fourth Proportional to 202,454,151.57, 279,386,998.61 and 109,634,819.49

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Solution

The fourth proportional to 202,454,151.57, 279,386,998.61 and 109,634,819.49 is: 151,296,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454,151.57 : 279,386,998.61 = 109,634,819.49 : x
  2. Step 2: Convert to fraction form
    202,454,151.57/279,386,998.61 = 109,634,819.49/x
  3. Step 3: Cross multiply
    202,454,151.57x = 279,386,998.61 × 109,634,819.49
  4. Step 4: Simplify right side
    202,454,151.57x = 30,630,543,159,912,056
  5. Step 5: Solve for x
    x = 30,630,543,159,912,056/202,454,151.57
  6. Step 6: Final answer
    x = 151,296,196.80

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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.