Home / 68,435,213.86-94,436,983.77-39,065,378.50

Finding the Fourth Proportional to 68,435,213.86, 94,436,983.77 and 39,065,378.50

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Solution

The fourth proportional to 68,435,213.86, 94,436,983.77 and 39,065,378.50 is: 53,908,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,435,213.86 : 94,436,983.77 = 39,065,378.50 : x
  2. Step 2: Convert to fraction form
    68,435,213.86/94,436,983.77 = 39,065,378.50/x
  3. Step 3: Cross multiply
    68,435,213.86x = 94,436,983.77 × 39,065,378.50
  4. Step 4: Simplify right side
    68,435,213.86x = 3,689,216,515,373,407
  5. Step 5: Solve for x
    x = 3,689,216,515,373,407/68,435,213.86
  6. Step 6: Final answer
    x = 53,908,160.83

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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.