Home / 70,446,563.58-105,695,016.21-42,836,654.64

Finding the Fourth Proportional to 70,446,563.58, 105,695,016.21 and 42,836,654.64

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Solution

The fourth proportional to 70,446,563.58, 105,695,016.21 and 42,836,654.64 is: 64,270,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,446,563.58 : 105,695,016.21 = 42,836,654.64 : x
  2. Step 2: Convert to fraction form
    70,446,563.58/105,695,016.21 = 42,836,654.64/x
  3. Step 3: Cross multiply
    70,446,563.58x = 105,695,016.21 × 42,836,654.64
  4. Step 4: Simplify right side
    70,446,563.58x = 4,527,620,906,556,971
  5. Step 5: Solve for x
    x = 4,527,620,906,556,971/70,446,563.58
  6. Step 6: Final answer
    x = 64,270,287.67

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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.