Home / 54,287,639.80-81,431,459.70-48,335,500.60

Finding the Fourth Proportional to 54,287,639.80, 81,431,459.70 and 48,335,500.60

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Solution

The fourth proportional to 54,287,639.80, 81,431,459.70 and 48,335,500.60 is: 72,503,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,287,639.80 : 81,431,459.70 = 48,335,500.60 : x
  2. Step 2: Convert to fraction form
    54,287,639.80/81,431,459.70 = 48,335,500.60/x
  3. Step 3: Cross multiply
    54,287,639.80x = 81,431,459.70 × 48,335,500.60
  4. Step 4: Simplify right side
    54,287,639.80x = 3,936,030,369,188,226
  5. Step 5: Solve for x
    x = 3,936,030,369,188,226/54,287,639.80
  6. Step 6: Final answer
    x = 72,503,250.90

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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.