Home / 76,477,679.95-105,539,213.50-41,670,370.39

Finding the Fourth Proportional to 76,477,679.95, 105,539,213.50 and 41,670,370.39

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Solution

The fourth proportional to 76,477,679.95, 105,539,213.50 and 41,670,370.39 is: 57,505,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,679.95 : 105,539,213.50 = 41,670,370.39 : x
  2. Step 2: Convert to fraction form
    76,477,679.95/105,539,213.50 = 41,670,370.39/x
  3. Step 3: Cross multiply
    76,477,679.95x = 105,539,213.50 × 41,670,370.39
  4. Step 4: Simplify right side
    76,477,679.95x = 4,397,858,116,846,264.50
  5. Step 5: Solve for x
    x = 4,397,858,116,846,264.50/76,477,679.95
  6. Step 6: Final answer
    x = 57,505,119.40

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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.