Home / 112,290,019.80-168,435,029.70-95,850,778.20

Finding the Fourth Proportional to 112,290,019.80, 168,435,029.70 and 95,850,778.20

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Solution

The fourth proportional to 112,290,019.80, 168,435,029.70 and 95,850,778.20 is: 143,776,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,290,019.80 : 168,435,029.70 = 95,850,778.20 : x
  2. Step 2: Convert to fraction form
    112,290,019.80/168,435,029.70 = 95,850,778.20/x
  3. Step 3: Cross multiply
    112,290,019.80x = 168,435,029.70 × 95,850,778.20
  4. Step 4: Simplify right side
    112,290,019.80x = 16,144,628,672,885,112
  5. Step 5: Solve for x
    x = 16,144,628,672,885,112/112,290,019.80
  6. Step 6: Final answer
    x = 143,776,167.30

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1.5x scale

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.