Home / 72,500,408.58-100,050,979.98-39,460,578.96

Finding the Fourth Proportional to 72,500,408.58, 100,050,979.98 and 39,460,578.96

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Solution

The fourth proportional to 72,500,408.58, 100,050,979.98 and 39,460,578.96 is: 54,455,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500,408.58 : 100,050,979.98 = 39,460,578.96 : x
  2. Step 2: Convert to fraction form
    72,500,408.58/100,050,979.98 = 39,460,578.96/x
  3. Step 3: Cross multiply
    72,500,408.58x = 100,050,979.98 × 39,460,578.96
  4. Step 4: Simplify right side
    72,500,408.58x = 3,948,069,595,526,169.50
  5. Step 5: Solve for x
    x = 3,948,069,595,526,169.50/72,500,408.58
  6. Step 6: Final answer
    x = 54,455,825.46

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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.