Home / 43,535,103.29-65,312,102.78-13,242,178.97

Finding the Fourth Proportional to 43,535,103.29, 65,312,102.78 and 13,242,178.97

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Solution

The fourth proportional to 43,535,103.29, 65,312,102.78 and 13,242,178.97 is: 19,866,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,535,103.29 : 65,312,102.78 = 13,242,178.97 : x
  2. Step 2: Convert to fraction form
    43,535,103.29/65,312,102.78 = 13,242,178.97/x
  3. Step 3: Cross multiply
    43,535,103.29x = 65,312,102.78 × 13,242,178.97
  4. Step 4: Simplify right side
    43,535,103.29x = 864,874,553,821,601.75
  5. Step 5: Solve for x
    x = 864,874,553,821,601.75/43,535,103.29
  6. Step 6: Final answer
    x = 19,866,142.23

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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.