Home / 111,673,962.72-154,107,858.60-62,113,270.32

Finding the Fourth Proportional to 111,673,962.72, 154,107,858.60 and 62,113,270.32

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Solution

The fourth proportional to 111,673,962.72, 154,107,858.60 and 62,113,270.32 is: 85,715,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,673,962.72 : 154,107,858.60 = 62,113,270.32 : x
  2. Step 2: Convert to fraction form
    111,673,962.72/154,107,858.60 = 62,113,270.32/x
  3. Step 3: Cross multiply
    111,673,962.72x = 154,107,858.60 × 62,113,270.32
  4. Step 4: Simplify right side
    111,673,962.72x = 9,572,143,079,658,136
  5. Step 5: Solve for x
    x = 9,572,143,079,658,136/111,673,962.72
  6. Step 6: Final answer
    x = 85,715,083.86

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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.