Home / 50,688,538.80-76,004,814.60-20,362,138.80

Finding the Fourth Proportional to 50,688,538.80, 76,004,814.60 and 20,362,138.80

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Solution

The fourth proportional to 50,688,538.80, 76,004,814.60 and 20,362,138.80 is: 30,531,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,538.80 : 76,004,814.60 = 20,362,138.80 : x
  2. Step 2: Convert to fraction form
    50,688,538.80/76,004,814.60 = 20,362,138.80/x
  3. Step 3: Cross multiply
    50,688,538.80x = 76,004,814.60 × 20,362,138.80
  4. Step 4: Simplify right side
    50,688,538.80x = 1,547,620,584,353,466.50
  5. Step 5: Solve for x
    x = 1,547,620,584,353,466.50/50,688,538.80
  6. Step 6: Final answer
    x = 30,531,962.87

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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.