Home / 99,844,990.20-149,767,485.30-48,759,780.60

Finding the Fourth Proportional to 99,844,990.20, 149,767,485.30 and 48,759,780.60

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Solution

The fourth proportional to 99,844,990.20, 149,767,485.30 and 48,759,780.60 is: 73,139,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,844,990.20 : 149,767,485.30 = 48,759,780.60 : x
  2. Step 2: Convert to fraction form
    99,844,990.20/149,767,485.30 = 48,759,780.60/x
  3. Step 3: Cross multiply
    99,844,990.20x = 149,767,485.30 × 48,759,780.60
  4. Step 4: Simplify right side
    99,844,990.20x = 7,302,629,724,241,726
  5. Step 5: Solve for x
    x = 7,302,629,724,241,726/99,844,990.20
  6. Step 6: Final answer
    x = 73,139,670.90

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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.