Home / 67,284,218.10-100,926,327.15-55,326,795.60

Finding the Fourth Proportional to 67,284,218.10, 100,926,327.15 and 55,326,795.60

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Solution

The fourth proportional to 67,284,218.10, 100,926,327.15 and 55,326,795.60 is: 82,990,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,284,218.10 : 100,926,327.15 = 55,326,795.60 : x
  2. Step 2: Convert to fraction form
    67,284,218.10/100,926,327.15 = 55,326,795.60/x
  3. Step 3: Cross multiply
    67,284,218.10x = 100,926,327.15 × 55,326,795.60
  4. Step 4: Simplify right side
    67,284,218.10x = 5,583,930,272,886,781
  5. Step 5: Solve for x
    x = 5,583,930,272,886,781/67,284,218.10
  6. Step 6: Final answer
    x = 82,990,193.40

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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.