Home / 68,453,629.22-102,679,546.93-16,638,081.36

Finding the Fourth Proportional to 68,453,629.22, 102,679,546.93 and 16,638,081.36

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Solution

The fourth proportional to 68,453,629.22, 102,679,546.93 and 16,638,081.36 is: 24,956,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,453,629.22 : 102,679,546.93 = 16,638,081.36 : x
  2. Step 2: Convert to fraction form
    68,453,629.22/102,679,546.93 = 16,638,081.36/x
  3. Step 3: Cross multiply
    68,453,629.22x = 102,679,546.93 × 16,638,081.36
  4. Step 4: Simplify right side
    68,453,629.22x = 1,708,390,655,829,278.25
  5. Step 5: Solve for x
    x = 1,708,390,655,829,278.25/68,453,629.22
  6. Step 6: Final answer
    x = 24,956,904.04

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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.