Home / 105,634,285.54-158,451,975.06-48,086,311.12

Finding the Fourth Proportional to 105,634,285.54, 158,451,975.06 and 48,086,311.12

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Solution

The fourth proportional to 105,634,285.54, 158,451,975.06 and 48,086,311.12 is: 72,129,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,634,285.54 : 158,451,975.06 = 48,086,311.12 : x
  2. Step 2: Convert to fraction form
    105,634,285.54/158,451,975.06 = 48,086,311.12/x
  3. Step 3: Cross multiply
    105,634,285.54x = 158,451,975.06 × 48,086,311.12
  4. Step 4: Simplify right side
    105,634,285.54x = 7,619,370,970,313,640
  5. Step 5: Solve for x
    x = 7,619,370,970,313,640/105,634,285.54
  6. Step 6: Final answer
    x = 72,129,715.57

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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.