Home / 86,362,972.18-129,567,179.84-31,036,396.54

Finding the Fourth Proportional to 86,362,972.18, 129,567,179.84 and 31,036,396.54

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Solution

The fourth proportional to 86,362,972.18, 129,567,179.84 and 31,036,396.54 is: 46,562,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,362,972.18 : 129,567,179.84 = 31,036,396.54 : x
  2. Step 2: Convert to fraction form
    86,362,972.18/129,567,179.84 = 31,036,396.54/x
  3. Step 3: Cross multiply
    86,362,972.18x = 129,567,179.84 × 31,036,396.54
  4. Step 4: Simplify right side
    86,362,972.18x = 4,021,298,372,083,733.50
  5. Step 5: Solve for x
    x = 4,021,298,372,083,733.50/86,362,972.18
  6. Step 6: Final answer
    x = 46,562,760.30

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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.