Home / 72,816,794.40-109,225,191.60-44,048,121.60

Finding the Fourth Proportional to 72,816,794.40, 109,225,191.60 and 44,048,121.60

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Solution

The fourth proportional to 72,816,794.40, 109,225,191.60 and 44,048,121.60 is: 66,072,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,816,794.40 : 109,225,191.60 = 44,048,121.60 : x
  2. Step 2: Convert to fraction form
    72,816,794.40/109,225,191.60 = 44,048,121.60/x
  3. Step 3: Cross multiply
    72,816,794.40x = 109,225,191.60 × 44,048,121.60
  4. Step 4: Simplify right side
    72,816,794.40x = 4,811,164,521,380,098
  5. Step 5: Solve for x
    x = 4,811,164,521,380,098/72,816,794.40
  6. Step 6: Final answer
    x = 66,072,182.40

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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.