Home / 120,576,822.80-180,876,293.40-39,797,968.40

Finding the Fourth Proportional to 120,576,822.80, 180,876,293.40 and 39,797,968.40

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Solution

The fourth proportional to 120,576,822.80, 180,876,293.40 and 39,797,968.40 is: 59,700,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,576,822.80 : 180,876,293.40 = 39,797,968.40 : x
  2. Step 2: Convert to fraction form
    120,576,822.80/180,876,293.40 = 39,797,968.40/x
  3. Step 3: Cross multiply
    120,576,822.80x = 180,876,293.40 × 39,797,968.40
  4. Step 4: Simplify right side
    120,576,822.80x = 7,198,509,009,042,329
  5. Step 5: Solve for x
    x = 7,198,509,009,042,329/120,576,822.80
  6. Step 6: Final answer
    x = 59,700,602.83

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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.