Home / 117,969,485.08-162,731,221.86-73,839,871

Finding the Fourth Proportional to 117,969,485.08, 162,731,221.86 and 73,839,871

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Solution

The fourth proportional to 117,969,485.08, 162,731,221.86 and 73,839,871 is: 101,857,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,969,485.08 : 162,731,221.86 = 73,839,871 : x
  2. Step 2: Convert to fraction form
    117,969,485.08/162,731,221.86 = 73,839,871/x
  3. Step 3: Cross multiply
    117,969,485.08x = 162,731,221.86 × 73,839,871
  4. Step 4: Simplify right side
    117,969,485.08x = 12,016,052,429,814,782
  5. Step 5: Solve for x
    x = 12,016,052,429,814,782/117,969,485.08
  6. Step 6: Final answer
    x = 101,857,293.19

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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.