Home / 136,701,058.37-188,647,936.80-73,977,140.68

Finding the Fourth Proportional to 136,701,058.37, 188,647,936.80 and 73,977,140.68

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Solution

The fourth proportional to 136,701,058.37, 188,647,936.80 and 73,977,140.68 is: 102,088,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,701,058.37 : 188,647,936.80 = 73,977,140.68 : x
  2. Step 2: Convert to fraction form
    136,701,058.37/188,647,936.80 = 73,977,140.68/x
  3. Step 3: Cross multiply
    136,701,058.37x = 188,647,936.80 × 73,977,140.68
  4. Step 4: Simplify right side
    136,701,058.37x = 13,955,634,958,702,110
  5. Step 5: Solve for x
    x = 13,955,634,958,702,110/136,701,058.37
  6. Step 6: Final answer
    x = 102,088,711.86

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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.