Home / 103,672,172.49-155,531,453.70-38,976,538.16

Finding the Fourth Proportional to 103,672,172.49, 155,531,453.70 and 38,976,538.16

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Solution

The fourth proportional to 103,672,172.49, 155,531,453.70 and 38,976,538.16 is: 58,473,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672,172.49 : 155,531,453.70 = 38,976,538.16 : x
  2. Step 2: Convert to fraction form
    103,672,172.49/155,531,453.70 = 38,976,538.16/x
  3. Step 3: Cross multiply
    103,672,172.49x = 155,531,453.70 × 38,976,538.16
  4. Step 4: Simplify right side
    103,672,172.49x = 6,062,077,639,440,666
  5. Step 5: Solve for x
    x = 6,062,077,639,440,666/103,672,172.49
  6. Step 6: Final answer
    x = 58,473,527.60

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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.