Home / 76,615,057.40-105,731,022.35-41,809,991.23

Finding the Fourth Proportional to 76,615,057.40, 105,731,022.35 and 41,809,991.23

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Solution

The fourth proportional to 76,615,057.40, 105,731,022.35 and 41,809,991.23 is: 57,699,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,057.40 : 105,731,022.35 = 41,809,991.23 : x
  2. Step 2: Convert to fraction form
    76,615,057.40/105,731,022.35 = 41,809,991.23/x
  3. Step 3: Cross multiply
    76,615,057.40x = 105,731,022.35 × 41,809,991.23
  4. Step 4: Simplify right side
    76,615,057.40x = 4,420,613,116,454,729
  5. Step 5: Solve for x
    x = 4,420,613,116,454,729/76,615,057.40
  6. Step 6: Final answer
    x = 57,699,012.00

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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.