Home / 79,395,042.42-119,003,300.87-40,424,105.12

Finding the Fourth Proportional to 79,395,042.42, 119,003,300.87 and 40,424,105.12

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Solution

The fourth proportional to 79,395,042.42, 119,003,300.87 and 40,424,105.12 is: 60,590,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,395,042.42 : 119,003,300.87 = 40,424,105.12 : x
  2. Step 2: Convert to fraction form
    79,395,042.42/119,003,300.87 = 40,424,105.12/x
  3. Step 3: Cross multiply
    79,395,042.42x = 119,003,300.87 × 40,424,105.12
  4. Step 4: Simplify right side
    79,395,042.42x = 4,810,601,943,198,730
  5. Step 5: Solve for x
    x = 4,810,601,943,198,730/79,395,042.42
  6. Step 6: Final answer
    x = 60,590,709.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.