Home / 99,827,705.60-149,741,558.40-28,014,790.40

Finding the Fourth Proportional to 99,827,705.60, 149,741,558.40 and 28,014,790.40

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Solution

The fourth proportional to 99,827,705.60, 149,741,558.40 and 28,014,790.40 is: 42,022,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827,705.60 : 149,741,558.40 = 28,014,790.40 : x
  2. Step 2: Convert to fraction form
    99,827,705.60/149,741,558.40 = 28,014,790.40/x
  3. Step 3: Cross multiply
    99,827,705.60x = 149,741,558.40 × 28,014,790.40
  4. Step 4: Simplify right side
    99,827,705.60x = 4,194,978,372,745,359.50
  5. Step 5: Solve for x
    x = 4,194,978,372,745,359.50/99,827,705.60
  6. Step 6: Final answer
    x = 42,022,185.60

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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.