Home / 109,836,195.80-164,565,336.90-71,477,965.40

Finding the Fourth Proportional to 109,836,195.80, 164,565,336.90 and 71,477,965.40

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Solution

The fourth proportional to 109,836,195.80, 164,565,336.90 and 71,477,965.40 is: 107,093,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836,195.80 : 164,565,336.90 = 71,477,965.40 : x
  2. Step 2: Convert to fraction form
    109,836,195.80/164,565,336.90 = 71,477,965.40/x
  3. Step 3: Cross multiply
    109,836,195.80x = 164,565,336.90 × 71,477,965.40
  4. Step 4: Simplify right side
    109,836,195.80x = 11,762,795,456,977,544
  5. Step 5: Solve for x
    x = 11,762,795,456,977,544/109,836,195.80
  6. Step 6: Final answer
    x = 107,093,980.92

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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.