Home / 212,893,960.32-319,394,877.32-65,349,000.60

Finding the Fourth Proportional to 212,893,960.32, 319,394,877.32 and 65,349,000.60

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Solution

The fourth proportional to 212,893,960.32, 319,394,877.32 and 65,349,000.60 is: 98,040,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,893,960.32 : 319,394,877.32 = 65,349,000.60 : x
  2. Step 2: Convert to fraction form
    212,893,960.32/319,394,877.32 = 65,349,000.60/x
  3. Step 3: Cross multiply
    212,893,960.32x = 319,394,877.32 × 65,349,000.60
  4. Step 4: Simplify right side
    212,893,960.32x = 20,872,136,029,621,608
  5. Step 5: Solve for x
    x = 20,872,136,029,621,608/212,893,960.32
  6. Step 6: Final answer
    x = 98,040,057.12

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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.