Home / 103,672,172.12-155,531,453.13-38,976,537.78

Finding the Fourth Proportional to 103,672,172.12, 155,531,453.13 and 38,976,537.78

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Solution

The fourth proportional to 103,672,172.12, 155,531,453.13 and 38,976,537.78 is: 58,473,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672,172.12 : 155,531,453.13 = 38,976,537.78 : x
  2. Step 2: Convert to fraction form
    103,672,172.12/155,531,453.13 = 38,976,537.78/x
  3. Step 3: Cross multiply
    103,672,172.12x = 155,531,453.13 × 38,976,537.78
  4. Step 4: Simplify right side
    103,672,172.12x = 6,062,077,558,899,744
  5. Step 5: Solve for x
    x = 6,062,077,558,899,744/103,672,172.12
  6. Step 6: Final answer
    x = 58,473,527.03

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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.