Home / 76,615,065.40-105,731,033.39-41,809,999.23

Finding the Fourth Proportional to 76,615,065.40, 105,731,033.39 and 41,809,999.23

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Solution

The fourth proportional to 76,615,065.40, 105,731,033.39 and 41,809,999.23 is: 57,699,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,065.40 : 105,731,033.39 = 41,809,999.23 : x
  2. Step 2: Convert to fraction form
    76,615,065.40/105,731,033.39 = 41,809,999.23/x
  3. Step 3: Cross multiply
    76,615,065.40x = 105,731,033.39 × 41,809,999.23
  4. Step 4: Simplify right side
    76,615,065.40x = 4,420,614,424,623,004
  5. Step 5: Solve for x
    x = 4,420,614,424,623,004/76,615,065.40
  6. Step 6: Final answer
    x = 57,699,023.05

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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.