Home / 89,109,628.80-133,645,780.80-43,704,009.60

Finding the Fourth Proportional to 89,109,628.80, 133,645,780.80 and 43,704,009.60

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Solution

The fourth proportional to 89,109,628.80, 133,645,780.80 and 43,704,009.60 is: 65,546,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,109,628.80 : 133,645,780.80 = 43,704,009.60 : x
  2. Step 2: Convert to fraction form
    89,109,628.80/133,645,780.80 = 43,704,009.60/x
  3. Step 3: Cross multiply
    89,109,628.80x = 133,645,780.80 × 43,704,009.60
  4. Step 4: Simplify right side
    89,109,628.80x = 5,840,856,487,082,696
  5. Step 5: Solve for x
    x = 5,840,856,487,082,696/89,109,628.80
  6. Step 6: Final answer
    x = 65,546,861.39

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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.