Home / 68,471,222.86-102,706,828.02-30,132,736.96

Finding the Fourth Proportional to 68,471,222.86, 102,706,828.02 and 30,132,736.96

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Solution

The fourth proportional to 68,471,222.86, 102,706,828.02 and 30,132,736.96 is: 45,199,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471,222.86 : 102,706,828.02 = 30,132,736.96 : x
  2. Step 2: Convert to fraction form
    68,471,222.86/102,706,828.02 = 30,132,736.96/x
  3. Step 3: Cross multiply
    68,471,222.86x = 102,706,828.02 × 30,132,736.96
  4. Step 4: Simplify right side
    68,471,222.86x = 3,094,837,832,722,617.50
  5. Step 5: Solve for x
    x = 3,094,837,832,722,617.50/68,471,222.86
  6. Step 6: Final answer
    x = 45,199,102.68

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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.