Home / 72,957,658.44-100,682,829.54-39,920,794.98

Finding the Fourth Proportional to 72,957,658.44, 100,682,829.54 and 39,920,794.98

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Solution

The fourth proportional to 72,957,658.44, 100,682,829.54 and 39,920,794.98 is: 55,091,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,957,658.44 : 100,682,829.54 = 39,920,794.98 : x
  2. Step 2: Convert to fraction form
    72,957,658.44/100,682,829.54 = 39,920,794.98/x
  3. Step 3: Cross multiply
    72,957,658.44x = 100,682,829.54 × 39,920,794.98
  4. Step 4: Simplify right side
    72,957,658.44x = 4,019,338,596,072,627.50
  5. Step 5: Solve for x
    x = 4,019,338,596,072,627.50/72,957,658.44
  6. Step 6: Final answer
    x = 55,091,387.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.