Home / 55,770,976.96-83,620,661.28-21,655,971.52

Finding the Fourth Proportional to 55,770,976.96, 83,620,661.28 and 21,655,971.52

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Solution

The fourth proportional to 55,770,976.96, 83,620,661.28 and 21,655,971.52 is: 32,470,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770,976.96 : 83,620,661.28 = 21,655,971.52 : x
  2. Step 2: Convert to fraction form
    55,770,976.96/83,620,661.28 = 21,655,971.52/x
  3. Step 3: Cross multiply
    55,770,976.96x = 83,620,661.28 × 21,655,971.52
  4. Step 4: Simplify right side
    55,770,976.96x = 1,810,886,659,163,246.75
  5. Step 5: Solve for x
    x = 1,810,886,659,163,246.75/55,770,976.96
  6. Step 6: Final answer
    x = 32,470,054.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.