Home / 68,570,804.21-94,600,771.16-39,186,372.38

Finding the Fourth Proportional to 68,570,804.21, 94,600,771.16 and 39,186,372.38

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Solution

The fourth proportional to 68,570,804.21, 94,600,771.16 and 39,186,372.38 is: 54,061,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570,804.21 : 94,600,771.16 = 39,186,372.38 : x
  2. Step 2: Convert to fraction form
    68,570,804.21/94,600,771.16 = 39,186,372.38/x
  3. Step 3: Cross multiply
    68,570,804.21x = 94,600,771.16 × 39,186,372.38
  4. Step 4: Simplify right side
    68,570,804.21x = 3,707,061,045,441,989
  5. Step 5: Solve for x
    x = 3,707,061,045,441,989/68,570,804.21
  6. Step 6: Final answer
    x = 54,061,799.16

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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.