Home / 190,358,198.16-262,672,992.36-107,834,309.52

Finding the Fourth Proportional to 190,358,198.16, 262,672,992.36 and 107,834,309.52

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Solution

The fourth proportional to 190,358,198.16, 262,672,992.36 and 107,834,309.52 is: 148,799,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,358,198.16 : 262,672,992.36 = 107,834,309.52 : x
  2. Step 2: Convert to fraction form
    190,358,198.16/262,672,992.36 = 107,834,309.52/x
  3. Step 3: Cross multiply
    190,358,198.16x = 262,672,992.36 × 107,834,309.52
  4. Step 4: Simplify right side
    190,358,198.16x = 28,325,160,760,692,836
  5. Step 5: Solve for x
    x = 28,325,160,760,692,836/190,358,198.16
  6. Step 6: Final answer
    x = 148,799,269.14

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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.