Home / 68,116,690.80-102,163,984.56-19,583,486.64

Finding the Fourth Proportional to 68,116,690.80, 102,163,984.56 and 19,583,486.64

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Solution

The fourth proportional to 68,116,690.80, 102,163,984.56 and 19,583,486.64 is: 29,372,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,116,690.80 : 102,163,984.56 = 19,583,486.64 : x
  2. Step 2: Convert to fraction form
    68,116,690.80/102,163,984.56 = 19,583,486.64/x
  3. Step 3: Cross multiply
    68,116,690.80x = 102,163,984.56 × 19,583,486.64
  4. Step 4: Simplify right side
    68,116,690.80x = 2,000,727,026,719,926.50
  5. Step 5: Solve for x
    x = 2,000,727,026,719,926.50/68,116,690.80
  6. Step 6: Final answer
    x = 29,372,052.62

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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.