Home / 73,292,137.67-109,938,144.04-18,704,718.92

Finding the Fourth Proportional to 73,292,137.67, 109,938,144.04 and 18,704,718.92

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Solution

The fourth proportional to 73,292,137.67, 109,938,144.04 and 18,704,718.92 is: 28,057,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292,137.67 : 109,938,144.04 = 18,704,718.92 : x
  2. Step 2: Convert to fraction form
    73,292,137.67/109,938,144.04 = 18,704,718.92/x
  3. Step 3: Cross multiply
    73,292,137.67x = 109,938,144.04 × 18,704,718.92
  4. Step 4: Simplify right side
    73,292,137.67x = 2,056,362,083,082,756.50
  5. Step 5: Solve for x
    x = 2,056,362,083,082,756.50/73,292,137.67
  6. Step 6: Final answer
    x = 28,057,062.44

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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.