Home / 126,011,644.60-189,017,466.90-30,273,532.60

Finding the Fourth Proportional to 126,011,644.60, 189,017,466.90 and 30,273,532.60

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Solution

The fourth proportional to 126,011,644.60, 189,017,466.90 and 30,273,532.60 is: 45,410,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,011,644.60 : 189,017,466.90 = 30,273,532.60 : x
  2. Step 2: Convert to fraction form
    126,011,644.60/189,017,466.90 = 30,273,532.60/x
  3. Step 3: Cross multiply
    126,011,644.60x = 189,017,466.90 × 30,273,532.60
  4. Step 4: Simplify right side
    126,011,644.60x = 5,722,226,446,166,571
  5. Step 5: Solve for x
    x = 5,722,226,446,166,571/126,011,644.60
  6. Step 6: Final answer
    x = 45,410,298.90

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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.