Home / 57,831,470.40-86,747,205.60-31,853,409.60

Finding the Fourth Proportional to 57,831,470.40, 86,747,205.60 and 31,853,409.60

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Solution

The fourth proportional to 57,831,470.40, 86,747,205.60 and 31,853,409.60 is: 47,780,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,831,470.40 : 86,747,205.60 = 31,853,409.60 : x
  2. Step 2: Convert to fraction form
    57,831,470.40/86,747,205.60 = 31,853,409.60/x
  3. Step 3: Cross multiply
    57,831,470.40x = 86,747,205.60 × 31,853,409.60
  4. Step 4: Simplify right side
    57,831,470.40x = 2,763,194,271,632,213.50
  5. Step 5: Solve for x
    x = 2,763,194,271,632,213.50/57,831,470.40
  6. Step 6: Final answer
    x = 47,780,114.40

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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.