Home / 112,067,999.20-168,101,998.80-39,366,870.40

Finding the Fourth Proportional to 112,067,999.20, 168,101,998.80 and 39,366,870.40

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Solution

The fourth proportional to 112,067,999.20, 168,101,998.80 and 39,366,870.40 is: 59,050,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,067,999.20 : 168,101,998.80 = 39,366,870.40 : x
  2. Step 2: Convert to fraction form
    112,067,999.20/168,101,998.80 = 39,366,870.40/x
  3. Step 3: Cross multiply
    112,067,999.20x = 168,101,998.80 × 39,366,870.40
  4. Step 4: Simplify right side
    112,067,999.20x = 6,617,649,600,740,556
  5. Step 5: Solve for x
    x = 6,617,649,600,740,556/112,067,999.20
  6. Step 6: Final answer
    x = 59,050,305.60

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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.