Home / 54,481,036,804.90-81,721,555,207.35-45,802,817,851.30

Finding the Fourth Proportional to 54,481,036,804.90, 81,721,555,207.35 and 45,802,817,851.30

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Solution

The fourth proportional to 54,481,036,804.90, 81,721,555,207.35 and 45,802,817,851.30 is: 68,704,226,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481,036,804.90 : 81,721,555,207.35 = 45,802,817,851.30 : x
  2. Step 2: Convert to fraction form
    54,481,036,804.90/81,721,555,207.35 = 45,802,817,851.30/x
  3. Step 3: Cross multiply
    54,481,036,804.90x = 81,721,555,207.35 × 45,802,817,851.30
  4. Step 4: Simplify right side
    54,481,036,804.90x = 3,743,077,507,687,209,500,672
  5. Step 5: Solve for x
    x = 3,743,077,507,687,209,500,672/54,481,036,804.90
  6. Step 6: Final answer
    x = 68,704,226,776.95

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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.