Home / 107,680,489.20-161,520,733.80-39,514,323.60

Finding the Fourth Proportional to 107,680,489.20, 161,520,733.80 and 39,514,323.60

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Solution

The fourth proportional to 107,680,489.20, 161,520,733.80 and 39,514,323.60 is: 59,271,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,680,489.20 : 161,520,733.80 = 39,514,323.60 : x
  2. Step 2: Convert to fraction form
    107,680,489.20/161,520,733.80 = 39,514,323.60/x
  3. Step 3: Cross multiply
    107,680,489.20x = 161,520,733.80 × 39,514,323.60
  4. Step 4: Simplify right side
    107,680,489.20x = 6,382,382,543,482,658
  5. Step 5: Solve for x
    x = 6,382,382,543,482,658/107,680,489.20
  6. Step 6: Final answer
    x = 59,271,485.40

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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.