Home / 212,810,650.20-319,215,975.30-59,456,460.60

Finding the Fourth Proportional to 212,810,650.20, 319,215,975.30 and 59,456,460.60

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Solution

The fourth proportional to 212,810,650.20, 319,215,975.30 and 59,456,460.60 is: 89,184,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810,650.20 : 319,215,975.30 = 59,456,460.60 : x
  2. Step 2: Convert to fraction form
    212,810,650.20/319,215,975.30 = 59,456,460.60/x
  3. Step 3: Cross multiply
    212,810,650.20x = 319,215,975.30 × 59,456,460.60
  4. Step 4: Simplify right side
    212,810,650.20x = 18,979,452,058,315,024
  5. Step 5: Solve for x
    x = 18,979,452,058,315,024/212,810,650.20
  6. Step 6: Final answer
    x = 89,184,690.90

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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.