Home / 240,035,521.73-331,302,308.94-145,929,672.39

Finding the Fourth Proportional to 240,035,521.73, 331,302,308.94 and 145,929,672.39

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Solution

The fourth proportional to 240,035,521.73, 331,302,308.94 and 145,929,672.39 is: 201,415,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,035,521.73 : 331,302,308.94 = 145,929,672.39 : x
  2. Step 2: Convert to fraction form
    240,035,521.73/331,302,308.94 = 145,929,672.39/x
  3. Step 3: Cross multiply
    240,035,521.73x = 331,302,308.94 × 145,929,672.39
  4. Step 4: Simplify right side
    240,035,521.73x = 48,346,837,405,664,760
  5. Step 5: Solve for x
    x = 48,346,837,405,664,760/240,035,521.73
  6. Step 6: Final answer
    x = 201,415,344.94

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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.