Home / 66,307,791.34-90,842,003.41-63,822,609.22

Finding the Fourth Proportional to 66,307,791.34, 90,842,003.41 and 63,822,609.22

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Solution

The fourth proportional to 66,307,791.34, 90,842,003.41 and 63,822,609.22 is: 87,437,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307,791.34 : 90,842,003.41 = 63,822,609.22 : x
  2. Step 2: Convert to fraction form
    66,307,791.34/90,842,003.41 = 63,822,609.22/x
  3. Step 3: Cross multiply
    66,307,791.34x = 90,842,003.41 × 63,822,609.22
  4. Step 4: Simplify right side
    66,307,791.34x = 5,797,773,684,079,224
  5. Step 5: Solve for x
    x = 5,797,773,684,079,224/66,307,791.34
  6. Step 6: Final answer
    x = 87,437,291.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.