Home / 352,356,611.40-528,534,917.10-97,054,979.40

Finding the Fourth Proportional to 352,356,611.40, 528,534,917.10 and 97,054,979.40

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Solution

The fourth proportional to 352,356,611.40, 528,534,917.10 and 97,054,979.40 is: 145,582,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,356,611.40 : 528,534,917.10 = 97,054,979.40 : x
  2. Step 2: Convert to fraction form
    352,356,611.40/528,534,917.10 = 97,054,979.40/x
  3. Step 3: Cross multiply
    352,356,611.40x = 528,534,917.10 × 97,054,979.40
  4. Step 4: Simplify right side
    352,356,611.40x = 51,296,945,491,321,216
  5. Step 5: Solve for x
    x = 51,296,945,491,321,216/352,356,611.40
  6. Step 6: Final answer
    x = 145,582,469.10

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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.