Home / 135,003,987.36-186,295,829.88-79,251,671.16

Finding the Fourth Proportional to 135,003,987.36, 186,295,829.88 and 79,251,671.16

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Solution

The fourth proportional to 135,003,987.36, 186,295,829.88 and 79,251,671.16 is: 109,361,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,003,987.36 : 186,295,829.88 = 79,251,671.16 : x
  2. Step 2: Convert to fraction form
    135,003,987.36/186,295,829.88 = 79,251,671.16/x
  3. Step 3: Cross multiply
    135,003,987.36x = 186,295,829.88 × 79,251,671.16
  4. Step 4: Simplify right side
    135,003,987.36x = 14,764,255,848,129,062
  5. Step 5: Solve for x
    x = 14,764,255,848,129,062/135,003,987.36
  6. Step 6: Final answer
    x = 109,361,628.03

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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.