Home / 134,885,412.35-186,122,057.52-75,339,371.03

Finding the Fourth Proportional to 134,885,412.35, 186,122,057.52 and 75,339,371.03

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Solution

The fourth proportional to 134,885,412.35, 186,122,057.52 and 75,339,371.03 is: 103,957,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,885,412.35 : 186,122,057.52 = 75,339,371.03 : x
  2. Step 2: Convert to fraction form
    134,885,412.35/186,122,057.52 = 75,339,371.03/x
  3. Step 3: Cross multiply
    134,885,412.35x = 186,122,057.52 × 75,339,371.03
  4. Step 4: Simplify right side
    134,885,412.35x = 14,022,318,747,435,674
  5. Step 5: Solve for x
    x = 14,022,318,747,435,674/134,885,412.35
  6. Step 6: Final answer
    x = 103,957,266.42

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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.