Home / 77,530,200.67-106,992,394.37-42,724,136.64

Finding the Fourth Proportional to 77,530,200.67, 106,992,394.37 and 42,724,136.64

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Solution

The fourth proportional to 77,530,200.67, 106,992,394.37 and 42,724,136.64 is: 58,959,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,200.67 : 106,992,394.37 = 42,724,136.64 : x
  2. Step 2: Convert to fraction form
    77,530,200.67/106,992,394.37 = 42,724,136.64/x
  3. Step 3: Cross multiply
    77,530,200.67x = 106,992,394.37 × 42,724,136.64
  4. Step 4: Simplify right side
    77,530,200.67x = 4,571,157,676,504,647
  5. Step 5: Solve for x
    x = 4,571,157,676,504,647/77,530,200.67
  6. Step 6: Final answer
    x = 58,959,703.92

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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.