Home / 89,109,620.80-133,645,768.80-43,704,001.60

Finding the Fourth Proportional to 89,109,620.80, 133,645,768.80 and 43,704,001.60

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Solution

The fourth proportional to 89,109,620.80, 133,645,768.80 and 43,704,001.60 is: 65,546,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,109,620.80 : 133,645,768.80 = 43,704,001.60 : x
  2. Step 2: Convert to fraction form
    89,109,620.80/133,645,768.80 = 43,704,001.60/x
  3. Step 3: Cross multiply
    89,109,620.80x = 133,645,768.80 × 43,704,001.60
  4. Step 4: Simplify right side
    89,109,620.80x = 5,840,854,893,468,430
  5. Step 5: Solve for x
    x = 5,840,854,893,468,430/89,109,620.80
  6. Step 6: Final answer
    x = 65,546,849.39

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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.