Home / 76,477,715.29-105,539,262.26-41,670,405.62

Finding the Fourth Proportional to 76,477,715.29, 105,539,262.26 and 41,670,405.62

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Solution

The fourth proportional to 76,477,715.29, 105,539,262.26 and 41,670,405.62 is: 57,505,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,715.29 : 105,539,262.26 = 41,670,405.62 : x
  2. Step 2: Convert to fraction form
    76,477,715.29/105,539,262.26 = 41,670,405.62/x
  3. Step 3: Cross multiply
    76,477,715.29x = 105,539,262.26 × 41,670,405.62
  4. Step 4: Simplify right side
    76,477,715.29x = 4,397,863,866,869,481.50
  5. Step 5: Solve for x
    x = 4,397,863,866,869,481.50/76,477,715.29
  6. Step 6: Final answer
    x = 57,505,168.01

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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.