Home / 49,926,487.20-74,889,730.80-45,148,912.80

Finding the Fourth Proportional to 49,926,487.20, 74,889,730.80 and 45,148,912.80

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Solution

The fourth proportional to 49,926,487.20, 74,889,730.80 and 45,148,912.80 is: 67,723,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926,487.20 : 74,889,730.80 = 45,148,912.80 : x
  2. Step 2: Convert to fraction form
    49,926,487.20/74,889,730.80 = 45,148,912.80/x
  3. Step 3: Cross multiply
    49,926,487.20x = 74,889,730.80 × 45,148,912.80
  4. Step 4: Simplify right side
    49,926,487.20x = 3,381,189,925,504,674
  5. Step 5: Solve for x
    x = 3,381,189,925,504,674/49,926,487.20
  6. Step 6: Final answer
    x = 67,723,369.20

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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.