Home / 65,139,072.96-97,559,791.20-31,084,334.40

Finding the Fourth Proportional to 65,139,072.96, 97,559,791.20 and 31,084,334.40

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Solution

The fourth proportional to 65,139,072.96, 97,559,791.20 and 31,084,334.40 is: 46,555,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,139,072.96 : 97,559,791.20 = 31,084,334.40 : x
  2. Step 2: Convert to fraction form
    65,139,072.96/97,559,791.20 = 31,084,334.40/x
  3. Step 3: Cross multiply
    65,139,072.96x = 97,559,791.20 × 31,084,334.40
  4. Step 4: Simplify right side
    65,139,072.96x = 3,032,581,173,654,977
  5. Step 5: Solve for x
    x = 3,032,581,173,654,977/65,139,072.96
  6. Step 6: Final answer
    x = 46,555,485.61

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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.