Home / 68,170,063.88-94,077,009.61-40,316,650.58

Finding the Fourth Proportional to 68,170,063.88, 94,077,009.61 and 40,316,650.58

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Solution

The fourth proportional to 68,170,063.88, 94,077,009.61 and 40,316,650.58 is: 55,638,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,063.88 : 94,077,009.61 = 40,316,650.58 : x
  2. Step 2: Convert to fraction form
    68,170,063.88/94,077,009.61 = 40,316,650.58/x
  3. Step 3: Cross multiply
    68,170,063.88x = 94,077,009.61 × 40,316,650.58
  4. Step 4: Simplify right side
    68,170,063.88x = 3,792,869,923,889,724.50
  5. Step 5: Solve for x
    x = 3,792,869,923,889,724.50/68,170,063.88
  6. Step 6: Final answer
    x = 55,638,350.74

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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.