Home / 54,405,303.40-81,607,955.10-20,322,220.60

Finding the Fourth Proportional to 54,405,303.40, 81,607,955.10 and 20,322,220.60

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Solution

The fourth proportional to 54,405,303.40, 81,607,955.10 and 20,322,220.60 is: 30,483,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,303.40 : 81,607,955.10 = 20,322,220.60 : x
  2. Step 2: Convert to fraction form
    54,405,303.40/81,607,955.10 = 20,322,220.60/x
  3. Step 3: Cross multiply
    54,405,303.40x = 81,607,955.10 × 20,322,220.60
  4. Step 4: Simplify right side
    54,405,303.40x = 1,658,454,866,257,095
  5. Step 5: Solve for x
    x = 1,658,454,866,257,095/54,405,303.40
  6. Step 6: Final answer
    x = 30,483,330.90

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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.