Home / 68,196,157.60-102,301,079.28-19,675,213.60

Finding the Fourth Proportional to 68,196,157.60, 102,301,079.28 and 19,675,213.60

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Solution

The fourth proportional to 68,196,157.60, 102,301,079.28 and 19,675,213.60 is: 29,514,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,196,157.60 : 102,301,079.28 = 19,675,213.60 : x
  2. Step 2: Convert to fraction form
    68,196,157.60/102,301,079.28 = 19,675,213.60/x
  3. Step 3: Cross multiply
    68,196,157.60x = 102,301,079.28 × 19,675,213.60
  4. Step 4: Simplify right side
    68,196,157.60x = 2,012,795,586,344,534.50
  5. Step 5: Solve for x
    x = 2,012,795,586,344,534.50/68,196,157.60
  6. Step 6: Final answer
    x = 29,514,794.63

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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.