Home / 65,343,673.85-90,107,431.31-43,309,522.49

Finding the Fourth Proportional to 65,343,673.85, 90,107,431.31 and 43,309,522.49

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Solution

The fourth proportional to 65,343,673.85, 90,107,431.31 and 43,309,522.49 is: 59,722,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,343,673.85 : 90,107,431.31 = 43,309,522.49 : x
  2. Step 2: Convert to fraction form
    65,343,673.85/90,107,431.31 = 43,309,522.49/x
  3. Step 3: Cross multiply
    65,343,673.85x = 90,107,431.31 × 43,309,522.49
  4. Step 4: Simplify right side
    65,343,673.85x = 3,902,509,822,620,028
  5. Step 5: Solve for x
    x = 3,902,509,822,620,028/65,343,673.85
  6. Step 6: Final answer
    x = 59,722,840.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.