Home / 91,178,439.72-125,826,450.48-49,362,945.72

Finding the Fourth Proportional to 91,178,439.72, 125,826,450.48 and 49,362,945.72

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Solution

The fourth proportional to 91,178,439.72, 125,826,450.48 and 49,362,945.72 is: 68,120,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,178,439.72 : 125,826,450.48 = 49,362,945.72 : x
  2. Step 2: Convert to fraction form
    91,178,439.72/125,826,450.48 = 49,362,945.72/x
  3. Step 3: Cross multiply
    91,178,439.72x = 125,826,450.48 × 49,362,945.72
  4. Step 4: Simplify right side
    91,178,439.72x = 6,211,164,245,184,508
  5. Step 5: Solve for x
    x = 6,211,164,245,184,508/91,178,439.72
  6. Step 6: Final answer
    x = 68,120,975.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.