Home / 68,024,473.30-102,054,301.53-19,505,878.30

Finding the Fourth Proportional to 68,024,473.30, 102,054,301.53 and 19,505,878.30

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Solution

The fourth proportional to 68,024,473.30, 102,054,301.53 and 19,505,878.30 is: 29,263,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,024,473.30 : 102,054,301.53 = 19,505,878.30 : x
  2. Step 2: Convert to fraction form
    68,024,473.30/102,054,301.53 = 19,505,878.30/x
  3. Step 3: Cross multiply
    68,024,473.30x = 102,054,301.53 × 19,505,878.30
  4. Step 4: Simplify right side
    68,024,473.30x = 1,990,658,785,635,684
  5. Step 5: Solve for x
    x = 1,990,658,785,635,684/68,024,473.30
  6. Step 6: Final answer
    x = 29,263,861.80

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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.