Home / 55,996,361.79-77,271,033.32-31,215,452.49

Finding the Fourth Proportional to 55,996,361.79, 77,271,033.32 and 31,215,452.49

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Solution

The fourth proportional to 55,996,361.79, 77,271,033.32 and 31,215,452.49 is: 43,075,124.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996,361.79 : 77,271,033.32 = 31,215,452.49 : x
  2. Step 2: Convert to fraction form
    55,996,361.79/77,271,033.32 = 31,215,452.49/x
  3. Step 3: Cross multiply
    55,996,361.79x = 77,271,033.32 × 31,215,452.49
  4. Step 4: Simplify right side
    55,996,361.79x = 2,412,050,269,297,589.50
  5. Step 5: Solve for x
    x = 2,412,050,269,297,589.50/55,996,361.79
  6. Step 6: Final answer
    x = 43,075,124.74

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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.