Home / 123,115,139.56-169,899,057.93-67,365,797.68

Finding the Fourth Proportional to 123,115,139.56, 169,899,057.93 and 67,365,797.68

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Solution

The fourth proportional to 123,115,139.56, 169,899,057.93 and 67,365,797.68 is: 92,964,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,115,139.56 : 169,899,057.93 = 67,365,797.68 : x
  2. Step 2: Convert to fraction form
    123,115,139.56/169,899,057.93 = 67,365,797.68/x
  3. Step 3: Cross multiply
    123,115,139.56x = 169,899,057.93 × 67,365,797.68
  4. Step 4: Simplify right side
    123,115,139.56x = 11,445,385,562,534,982
  5. Step 5: Solve for x
    x = 11,445,385,562,534,982/123,115,139.56
  6. Step 6: Final answer
    x = 92,964,891.27

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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.