Home / 50,688,536.80-76,004,811.60-20,362,136.80

Finding the Fourth Proportional to 50,688,536.80, 76,004,811.60 and 20,362,136.80

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Solution

The fourth proportional to 50,688,536.80, 76,004,811.60 and 20,362,136.80 is: 30,531,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,536.80 : 76,004,811.60 = 20,362,136.80 : x
  2. Step 2: Convert to fraction form
    50,688,536.80/76,004,811.60 = 20,362,136.80/x
  3. Step 3: Cross multiply
    50,688,536.80x = 76,004,811.60 × 20,362,136.80
  4. Step 4: Simplify right side
    50,688,536.80x = 1,547,620,371,257,426.75
  5. Step 5: Solve for x
    x = 1,547,620,371,257,426.75/50,688,536.80
  6. Step 6: Final answer
    x = 30,531,959.87

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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.