Home / 70,540,107.21-97,339,973.81-39,594,297.78

Finding the Fourth Proportional to 70,540,107.21, 97,339,973.81 and 39,594,297.78

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Solution

The fourth proportional to 70,540,107.21, 97,339,973.81 and 39,594,297.78 is: 54,637,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,540,107.21 : 97,339,973.81 = 39,594,297.78 : x
  2. Step 2: Convert to fraction form
    70,540,107.21/97,339,973.81 = 39,594,297.78/x
  3. Step 3: Cross multiply
    70,540,107.21x = 97,339,973.81 × 39,594,297.78
  4. Step 4: Simplify right side
    70,540,107.21x = 3,854,107,908,732,570
  5. Step 5: Solve for x
    x = 3,854,107,908,732,570/70,540,107.21
  6. Step 6: Final answer
    x = 54,637,114.42

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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.