Home / 74,473,940.27-102,774,978.79-40,987,273.64

Finding the Fourth Proportional to 74,473,940.27, 102,774,978.79 and 40,987,273.64

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Solution

The fourth proportional to 74,473,940.27, 102,774,978.79 and 40,987,273.64 is: 56,562,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,473,940.27 : 102,774,978.79 = 40,987,273.64 : x
  2. Step 2: Convert to fraction form
    74,473,940.27/102,774,978.79 = 40,987,273.64/x
  3. Step 3: Cross multiply
    74,473,940.27x = 102,774,978.79 × 40,987,273.64
  4. Step 4: Simplify right side
    74,473,940.27x = 4,212,466,178,394,582.50
  5. Step 5: Solve for x
    x = 4,212,466,178,394,582.50/74,473,940.27
  6. Step 6: Final answer
    x = 56,562,955.62

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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.