Home / 54,481,036,804.40-81,721,555,206.60-45,802,817,850.80

Finding the Fourth Proportional to 54,481,036,804.40, 81,721,555,206.60 and 45,802,817,850.80

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Solution

The fourth proportional to 54,481,036,804.40, 81,721,555,206.60 and 45,802,817,850.80 is: 68,704,226,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481,036,804.40 : 81,721,555,206.60 = 45,802,817,850.80 : x
  2. Step 2: Convert to fraction form
    54,481,036,804.40/81,721,555,206.60 = 45,802,817,850.80/x
  3. Step 3: Cross multiply
    54,481,036,804.40x = 81,721,555,206.60 × 45,802,817,850.80
  4. Step 4: Simplify right side
    54,481,036,804.40x = 3,743,077,507,611,996,717,056
  5. Step 5: Solve for x
    x = 3,743,077,507,611,996,717,056/54,481,036,804.40
  6. Step 6: Final answer
    x = 68,704,226,776.20

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1.5x scale

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.