Home / 61,245,802.55-91,886,639.83-18,116,154.46

Finding the Fourth Proportional to 61,245,802.55, 91,886,639.83 and 18,116,154.46

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Solution

The fourth proportional to 61,245,802.55, 91,886,639.83 and 18,116,154.46 is: 27,179,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,802.55 : 91,886,639.83 = 18,116,154.46 : x
  2. Step 2: Convert to fraction form
    61,245,802.55/91,886,639.83 = 18,116,154.46/x
  3. Step 3: Cross multiply
    61,245,802.55x = 91,886,639.83 × 18,116,154.46
  4. Step 4: Simplify right side
    61,245,802.55x = 1,664,632,560,040,236
  5. Step 5: Solve for x
    x = 1,664,632,560,040,236/61,245,802.55
  6. Step 6: Final answer
    x = 27,179,537.06

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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.