Home / 68,570,805.21-94,600,772.53-39,186,373.38

Finding the Fourth Proportional to 68,570,805.21, 94,600,772.53 and 39,186,373.38

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Solution

The fourth proportional to 68,570,805.21, 94,600,772.53 and 39,186,373.38 is: 54,061,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570,805.21 : 94,600,772.53 = 39,186,373.38 : x
  2. Step 2: Convert to fraction form
    68,570,805.21/94,600,772.53 = 39,186,373.38/x
  3. Step 3: Cross multiply
    68,570,805.21x = 94,600,772.53 × 39,186,373.38
  4. Step 4: Simplify right side
    68,570,805.21x = 3,707,061,194,397,027.50
  5. Step 5: Solve for x
    x = 3,707,061,194,397,027.50/68,570,805.21
  6. Step 6: Final answer
    x = 54,061,800.54

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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.