Home / 99,795,376.40-149,693,064.60-56,647,907.60

Finding the Fourth Proportional to 99,795,376.40, 149,693,064.60 and 56,647,907.60

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Solution

The fourth proportional to 99,795,376.40, 149,693,064.60 and 56,647,907.60 is: 84,971,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795,376.40 : 149,693,064.60 = 56,647,907.60 : x
  2. Step 2: Convert to fraction form
    99,795,376.40/149,693,064.60 = 56,647,907.60/x
  3. Step 3: Cross multiply
    99,795,376.40x = 149,693,064.60 × 56,647,907.60
  4. Step 4: Simplify right side
    99,795,376.40x = 8,479,798,891,821,631
  5. Step 5: Solve for x
    x = 8,479,798,891,821,631/99,795,376.40
  6. Step 6: Final answer
    x = 84,971,861.40

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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.