Home / 190,656,866.54-263,098,728.48-108,148,879.82

Finding the Fourth Proportional to 190,656,866.54, 263,098,728.48 and 108,148,879.82

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Solution

The fourth proportional to 190,656,866.54, 263,098,728.48 and 108,148,879.82 is: 149,241,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656,866.54 : 263,098,728.48 = 108,148,879.82 : x
  2. Step 2: Convert to fraction form
    190,656,866.54/263,098,728.48 = 108,148,879.82/x
  3. Step 3: Cross multiply
    190,656,866.54x = 263,098,728.48 × 108,148,879.82
  4. Step 4: Simplify right side
    190,656,866.54x = 28,453,832,767,178,328
  5. Step 5: Solve for x
    x = 28,453,832,767,178,328/190,656,866.54
  6. Step 6: Final answer
    x = 149,241,059.52

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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.