Home / 119,135,168.51-164,388,634.79-66,914,201.21

Finding the Fourth Proportional to 119,135,168.51, 164,388,634.79 and 66,914,201.21

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Solution

The fourth proportional to 119,135,168.51, 164,388,634.79 and 66,914,201.21 is: 92,331,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,135,168.51 : 164,388,634.79 = 66,914,201.21 : x
  2. Step 2: Convert to fraction form
    119,135,168.51/164,388,634.79 = 66,914,201.21/x
  3. Step 3: Cross multiply
    119,135,168.51x = 164,388,634.79 × 66,914,201.21
  4. Step 4: Simplify right side
    119,135,168.51x = 10,999,934,183,818,752
  5. Step 5: Solve for x
    x = 10,999,934,183,818,752/119,135,168.51
  6. Step 6: Final answer
    x = 92,331,545.10

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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.