Home / 345,188,998.40-517,783,497.60-89,887,366.40

Finding the Fourth Proportional to 345,188,998.40, 517,783,497.60 and 89,887,366.40

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Solution

The fourth proportional to 345,188,998.40, 517,783,497.60 and 89,887,366.40 is: 134,831,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,188,998.40 : 517,783,497.60 = 89,887,366.40 : x
  2. Step 2: Convert to fraction form
    345,188,998.40/517,783,497.60 = 89,887,366.40/x
  3. Step 3: Cross multiply
    345,188,998.40x = 517,783,497.60 × 89,887,366.40
  4. Step 4: Simplify right side
    345,188,998.40x = 46,542,194,964,644,728
  5. Step 5: Solve for x
    x = 46,542,194,964,644,728/345,188,998.40
  6. Step 6: Final answer
    x = 134,831,049.60

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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.