Home / 73,125,243.11-100,911,392.65-40,085,563.43

Finding the Fourth Proportional to 73,125,243.11, 100,911,392.65 and 40,085,563.43

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Solution

The fourth proportional to 73,125,243.11, 100,911,392.65 and 40,085,563.43 is: 55,317,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125,243.11 : 100,911,392.65 = 40,085,563.43 : x
  2. Step 2: Convert to fraction form
    73,125,243.11/100,911,392.65 = 40,085,563.43/x
  3. Step 3: Cross multiply
    73,125,243.11x = 100,911,392.65 × 40,085,563.43
  4. Step 4: Simplify right side
    73,125,243.11x = 4,045,090,030,881,211
  5. Step 5: Solve for x
    x = 4,045,090,030,881,211/73,125,243.11
  6. Step 6: Final answer
    x = 55,317,286.60

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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.