Home / 105,682,287.40-158,523,431.10-48,286,659.40

Finding the Fourth Proportional to 105,682,287.40, 158,523,431.10 and 48,286,659.40

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Solution

The fourth proportional to 105,682,287.40, 158,523,431.10 and 48,286,659.40 is: 72,429,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,682,287.40 : 158,523,431.10 = 48,286,659.40 : x
  2. Step 2: Convert to fraction form
    105,682,287.40/158,523,431.10 = 48,286,659.40/x
  3. Step 3: Cross multiply
    105,682,287.40x = 158,523,431.10 × 48,286,659.40
  4. Step 4: Simplify right side
    105,682,287.40x = 7,654,566,924,445,067
  5. Step 5: Solve for x
    x = 7,654,566,924,445,067/105,682,287.40
  6. Step 6: Final answer
    x = 72,429,989.10

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Similar ratio
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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.