Home / 49,907,138.80-74,855,178.60-40,916,009.20

Finding the Fourth Proportional to 49,907,138.80, 74,855,178.60 and 40,916,009.20

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Solution

The fourth proportional to 49,907,138.80, 74,855,178.60 and 40,916,009.20 is: 61,369,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907,138.80 : 74,855,178.60 = 40,916,009.20 : x
  2. Step 2: Convert to fraction form
    49,907,138.80/74,855,178.60 = 40,916,009.20/x
  3. Step 3: Cross multiply
    49,907,138.80x = 74,855,178.60 × 40,916,009.20
  4. Step 4: Simplify right side
    49,907,138.80x = 3,062,775,176,265,243
  5. Step 5: Solve for x
    x = 3,062,775,176,265,243/49,907,138.80
  6. Step 6: Final answer
    x = 61,369,480.40

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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.