Home / 212,810,705.20-319,216,057.80-59,456,515.60

Finding the Fourth Proportional to 212,810,705.20, 319,216,057.80 and 59,456,515.60

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Solution

The fourth proportional to 212,810,705.20, 319,216,057.80 and 59,456,515.60 is: 89,184,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810,705.20 : 319,216,057.80 = 59,456,515.60 : x
  2. Step 2: Convert to fraction form
    212,810,705.20/319,216,057.80 = 59,456,515.60/x
  3. Step 3: Cross multiply
    212,810,705.20x = 319,216,057.80 × 59,456,515.60
  4. Step 4: Simplify right side
    212,810,705.20x = 18,979,474,520,356,204
  5. Step 5: Solve for x
    x = 18,979,474,520,356,204/212,810,705.20
  6. Step 6: Final answer
    x = 89,184,773.40

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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.