Home / 68,241,902.40-102,362,853.60-56,125,047.60

Finding the Fourth Proportional to 68,241,902.40, 102,362,853.60 and 56,125,047.60

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Solution

The fourth proportional to 68,241,902.40, 102,362,853.60 and 56,125,047.60 is: 84,187,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241,902.40 : 102,362,853.60 = 56,125,047.60 : x
  2. Step 2: Convert to fraction form
    68,241,902.40/102,362,853.60 = 56,125,047.60/x
  3. Step 3: Cross multiply
    68,241,902.40x = 102,362,853.60 × 56,125,047.60
  4. Step 4: Simplify right side
    68,241,902.40x = 5,745,120,030,771,831
  5. Step 5: Solve for x
    x = 5,745,120,030,771,831/68,241,902.40
  6. Step 6: Final answer
    x = 84,187,571.40

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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.