Home / 135,886,483.33-187,525,504.28-77,147,949.85

Finding the Fourth Proportional to 135,886,483.33, 187,525,504.28 and 77,147,949.85

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Solution

The fourth proportional to 135,886,483.33, 187,525,504.28 and 77,147,949.85 is: 106,465,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,886,483.33 : 187,525,504.28 = 77,147,949.85 : x
  2. Step 2: Convert to fraction form
    135,886,483.33/187,525,504.28 = 77,147,949.85/x
  3. Step 3: Cross multiply
    135,886,483.33x = 187,525,504.28 × 77,147,949.85
  4. Step 4: Simplify right side
    135,886,483.33x = 14,467,208,199,513,456
  5. Step 5: Solve for x
    x = 14,467,208,199,513,456/135,886,483.33
  6. Step 6: Final answer
    x = 106,465,395.57

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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.