Home / 68,654,578.39-94,768,179.32-45,457,178.74

Finding the Fourth Proportional to 68,654,578.39, 94,768,179.32 and 45,457,178.74

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Solution

The fourth proportional to 68,654,578.39, 94,768,179.32 and 45,457,178.74 is: 62,747,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654,578.39 : 94,768,179.32 = 45,457,178.74 : x
  2. Step 2: Convert to fraction form
    68,654,578.39/94,768,179.32 = 45,457,178.74/x
  3. Step 3: Cross multiply
    68,654,578.39x = 94,768,179.32 × 45,457,178.74
  4. Step 4: Simplify right side
    68,654,578.39x = 4,307,894,066,213,611.50
  5. Step 5: Solve for x
    x = 4,307,894,066,213,611.50/68,654,578.39
  6. Step 6: Final answer
    x = 62,747,367.58

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