Home / 68,032,081.86-93,881,568.96-40,163,769.60

Finding the Fourth Proportional to 68,032,081.86, 93,881,568.96 and 40,163,769.60

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Solution

The fourth proportional to 68,032,081.86, 93,881,568.96 and 40,163,769.60 is: 55,424,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,032,081.86 : 93,881,568.96 = 40,163,769.60 : x
  2. Step 2: Convert to fraction form
    68,032,081.86/93,881,568.96 = 40,163,769.60/x
  3. Step 3: Cross multiply
    68,032,081.86x = 93,881,568.96 × 40,163,769.60
  4. Step 4: Simplify right side
    68,032,081.86x = 3,770,637,705,395,951.50
  5. Step 5: Solve for x
    x = 3,770,637,705,395,951.50/68,032,081.86
  6. Step 6: Final answer
    x = 55,424,405.70

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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.