Home / 123,318,802.45-170,179,942.75-67,566,338.33

Finding the Fourth Proportional to 123,318,802.45, 170,179,942.75 and 67,566,338.33

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Solution

The fourth proportional to 123,318,802.45, 170,179,942.75 and 67,566,338.33 is: 93,241,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,318,802.45 : 170,179,942.75 = 67,566,338.33 : x
  2. Step 2: Convert to fraction form
    123,318,802.45/170,179,942.75 = 67,566,338.33/x
  3. Step 3: Cross multiply
    123,318,802.45x = 170,179,942.75 × 67,566,338.33
  4. Step 4: Simplify right side
    123,318,802.45x = 11,498,435,587,806,716
  5. Step 5: Solve for x
    x = 11,498,435,587,806,716/123,318,802.45
  6. Step 6: Final answer
    x = 93,241,544.35

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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.