Home / 119,621,660.40-179,432,490.60-68,461,606.80

Finding the Fourth Proportional to 119,621,660.40, 179,432,490.60 and 68,461,606.80

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Solution

The fourth proportional to 119,621,660.40, 179,432,490.60 and 68,461,606.80 is: 102,692,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,621,660.40 : 179,432,490.60 = 68,461,606.80 : x
  2. Step 2: Convert to fraction form
    119,621,660.40/179,432,490.60 = 68,461,606.80/x
  3. Step 3: Cross multiply
    119,621,660.40x = 179,432,490.60 × 68,461,606.80
  4. Step 4: Simplify right side
    119,621,660.40x = 12,284,236,618,601,896
  5. Step 5: Solve for x
    x = 12,284,236,618,601,896/119,621,660.40
  6. Step 6: Final answer
    x = 102,692,410.20

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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.