Home / 212,195,364.48-318,293,046.72-140,374,984.32

Finding the Fourth Proportional to 212,195,364.48, 318,293,046.72 and 140,374,984.32

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Solution

The fourth proportional to 212,195,364.48, 318,293,046.72 and 140,374,984.32 is: 210,562,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,195,364.48 : 318,293,046.72 = 140,374,984.32 : x
  2. Step 2: Convert to fraction form
    212,195,364.48/318,293,046.72 = 140,374,984.32/x
  3. Step 3: Cross multiply
    212,195,364.48x = 318,293,046.72 × 140,374,984.32
  4. Step 4: Simplify right side
    212,195,364.48x = 44,680,381,442,485,032
  5. Step 5: Solve for x
    x = 44,680,381,442,485,032/212,195,364.48
  6. Step 6: Final answer
    x = 210,562,476.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.