Home / 135,157,917,989.56-186,518,131,137.80-73,358,509,808.30

Finding the Fourth Proportional to 135,157,917,989.56, 186,518,131,137.80 and 73,358,509,808.30

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Solution

The fourth proportional to 135,157,917,989.56, 186,518,131,137.80 and 73,358,509,808.30 is: 101,234,854,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,157,917,989.56 : 186,518,131,137.80 = 73,358,509,808.30 : x
  2. Step 2: Convert to fraction form
    135,157,917,989.56/186,518,131,137.80 = 73,358,509,808.30/x
  3. Step 3: Cross multiply
    135,157,917,989.56x = 186,518,131,137.80 × 73,358,509,808.30
  4. Step 4: Simplify right side
    135,157,917,989.56x = 13,682,692,152,498,086,477,824
  5. Step 5: Solve for x
    x = 13,682,692,152,498,086,477,824/135,157,917,989.56
  6. Step 6: Final answer
    x = 101,234,854,428.25

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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.