Home / 115,965,889.22-173,570,322.44-85,252,331.90

Finding the Fourth Proportional to 115,965,889.22, 173,570,322.44 and 85,252,331.90

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Solution

The fourth proportional to 115,965,889.22, 173,570,322.44 and 85,252,331.90 is: 127,600,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,965,889.22 : 173,570,322.44 = 85,252,331.90 : x
  2. Step 2: Convert to fraction form
    115,965,889.22/173,570,322.44 = 85,252,331.90/x
  3. Step 3: Cross multiply
    115,965,889.22x = 173,570,322.44 × 85,252,331.90
  4. Step 4: Simplify right side
    115,965,889.22x = 14,797,274,735,990,176
  5. Step 5: Solve for x
    x = 14,797,274,735,990,176/115,965,889.22
  6. Step 6: Final answer
    x = 127,600,235.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.