Home / 189,217,136.80-283,825,705.20-45,609,968.80

Finding the Fourth Proportional to 189,217,136.80, 283,825,705.20 and 45,609,968.80

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Solution

The fourth proportional to 189,217,136.80, 283,825,705.20 and 45,609,968.80 is: 68,414,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,217,136.80 : 283,825,705.20 = 45,609,968.80 : x
  2. Step 2: Convert to fraction form
    189,217,136.80/283,825,705.20 = 45,609,968.80/x
  3. Step 3: Cross multiply
    189,217,136.80x = 283,825,705.20 × 45,609,968.80
  4. Step 4: Simplify right side
    189,217,136.80x = 12,945,281,558,809,996
  5. Step 5: Solve for x
    x = 12,945,281,558,809,996/189,217,136.80
  6. Step 6: Final answer
    x = 68,414,953.20

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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.