Home / 123,214,697.28-169,982,893.44-74,294,948.16

Finding the Fourth Proportional to 123,214,697.28, 169,982,893.44 and 74,294,948.16

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Solution

The fourth proportional to 123,214,697.28, 169,982,893.44 and 74,294,948.16 is: 102,494,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,214,697.28 : 169,982,893.44 = 74,294,948.16 : x
  2. Step 2: Convert to fraction form
    123,214,697.28/169,982,893.44 = 74,294,948.16/x
  3. Step 3: Cross multiply
    123,214,697.28x = 169,982,893.44 × 74,294,948.16
  4. Step 4: Simplify right side
    123,214,697.28x = 12,628,870,256,211,604
  5. Step 5: Solve for x
    x = 12,628,870,256,211,604/123,214,697.28
  6. Step 6: Final answer
    x = 102,494,836.53

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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.