Home / 70,421,604.20-105,632,406.30-69,973,706.60

Finding the Fourth Proportional to 70,421,604.20, 105,632,406.30 and 69,973,706.60

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Solution

The fourth proportional to 70,421,604.20, 105,632,406.30 and 69,973,706.60 is: 104,960,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421,604.20 : 105,632,406.30 = 69,973,706.60 : x
  2. Step 2: Convert to fraction form
    70,421,604.20/105,632,406.30 = 69,973,706.60/x
  3. Step 3: Cross multiply
    70,421,604.20x = 105,632,406.30 × 69,973,706.60
  4. Step 4: Simplify right side
    70,421,604.20x = 7,391,491,005,888,191
  5. Step 5: Solve for x
    x = 7,391,491,005,888,191/70,421,604.20
  6. Step 6: Final answer
    x = 104,960,559.90

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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.