Home / 76,126,289.60-105,036,272.11-43,086,538.74

Finding the Fourth Proportional to 76,126,289.60, 105,036,272.11 and 43,086,538.74

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Solution

The fourth proportional to 76,126,289.60, 105,036,272.11 and 43,086,538.74 is: 59,449,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,126,289.60 : 105,036,272.11 = 43,086,538.74 : x
  2. Step 2: Convert to fraction form
    76,126,289.60/105,036,272.11 = 43,086,538.74/x
  3. Step 3: Cross multiply
    76,126,289.60x = 105,036,272.11 × 43,086,538.74
  4. Step 4: Simplify right side
    76,126,289.60x = 4,525,649,406,847,515
  5. Step 5: Solve for x
    x = 4,525,649,406,847,515/76,126,289.60
  6. Step 6: Final answer
    x = 59,449,231.41

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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.