Home / 91,107,017.40-125,613,636.72-76,040,894.64

Finding the Fourth Proportional to 91,107,017.40, 125,613,636.72 and 76,040,894.64

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Solution

The fourth proportional to 91,107,017.40, 125,613,636.72 and 76,040,894.64 is: 104,841,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107,017.40 : 125,613,636.72 = 76,040,894.64 : x
  2. Step 2: Convert to fraction form
    91,107,017.40/125,613,636.72 = 76,040,894.64/x
  3. Step 3: Cross multiply
    91,107,017.40x = 125,613,636.72 × 76,040,894.64
  4. Step 4: Simplify right side
    91,107,017.40x = 9,551,773,315,172,756
  5. Step 5: Solve for x
    x = 9,551,773,315,172,756/91,107,017.40
  6. Step 6: Final answer
    x = 104,841,247.01

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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.