Home / 220,046,576.20-330,069,864.30-66,672,703.60

Finding the Fourth Proportional to 220,046,576.20, 330,069,864.30 and 66,672,703.60

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Solution

The fourth proportional to 220,046,576.20, 330,069,864.30 and 66,672,703.60 is: 100,009,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,046,576.20 : 330,069,864.30 = 66,672,703.60 : x
  2. Step 2: Convert to fraction form
    220,046,576.20/330,069,864.30 = 66,672,703.60/x
  3. Step 3: Cross multiply
    220,046,576.20x = 330,069,864.30 × 66,672,703.60
  4. Step 4: Simplify right side
    220,046,576.20x = 22,006,650,229,766,124
  5. Step 5: Solve for x
    x = 22,006,650,229,766,124/220,046,576.20
  6. Step 6: Final answer
    x = 100,009,055.40

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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.