Home / 81,651,621.18-122,458,083.42-23,357,501.88

Finding the Fourth Proportional to 81,651,621.18, 122,458,083.42 and 23,357,501.88

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Solution

The fourth proportional to 81,651,621.18, 122,458,083.42 and 23,357,501.88 is: 35,030,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,651,621.18 : 122,458,083.42 = 23,357,501.88 : x
  2. Step 2: Convert to fraction form
    81,651,621.18/122,458,083.42 = 23,357,501.88/x
  3. Step 3: Cross multiply
    81,651,621.18x = 122,458,083.42 × 23,357,501.88
  4. Step 4: Simplify right side
    81,651,621.18x = 2,860,314,913,703,846.50
  5. Step 5: Solve for x
    x = 2,860,314,913,703,846.50/81,651,621.18
  6. Step 6: Final answer
    x = 35,030,717.97

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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.