Home / 57,959,875.20-86,939,812.80-31,086,019.20

Finding the Fourth Proportional to 57,959,875.20, 86,939,812.80 and 31,086,019.20

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Solution

The fourth proportional to 57,959,875.20, 86,939,812.80 and 31,086,019.20 is: 46,629,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,959,875.20 : 86,939,812.80 = 31,086,019.20 : x
  2. Step 2: Convert to fraction form
    57,959,875.20/86,939,812.80 = 31,086,019.20/x
  3. Step 3: Cross multiply
    57,959,875.20x = 86,939,812.80 × 31,086,019.20
  4. Step 4: Simplify right side
    57,959,875.20x = 2,702,612,689,945,205.50
  5. Step 5: Solve for x
    x = 2,702,612,689,945,205.50/57,959,875.20
  6. Step 6: Final answer
    x = 46,629,028.80

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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.