Home / 43,086,890.40-64,630,335.60-20,412,074.40

Finding the Fourth Proportional to 43,086,890.40, 64,630,335.60 and 20,412,074.40

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Solution

The fourth proportional to 43,086,890.40, 64,630,335.60 and 20,412,074.40 is: 30,618,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086,890.40 : 64,630,335.60 = 20,412,074.40 : x
  2. Step 2: Convert to fraction form
    43,086,890.40/64,630,335.60 = 20,412,074.40/x
  3. Step 3: Cross multiply
    43,086,890.40x = 64,630,335.60 × 20,412,074.40
  4. Step 4: Simplify right side
    43,086,890.40x = 1,319,239,218,764,168.50
  5. Step 5: Solve for x
    x = 1,319,239,218,764,168.50/43,086,890.40
  6. Step 6: Final answer
    x = 30,618,111.60

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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.