Home / 82,309,529.02-123,464,346.96-20,903,292.94

Finding the Fourth Proportional to 82,309,529.02, 123,464,346.96 and 20,903,292.94

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Solution

The fourth proportional to 82,309,529.02, 123,464,346.96 and 20,903,292.94 is: 31,354,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,309,529.02 : 123,464,346.96 = 20,903,292.94 : x
  2. Step 2: Convert to fraction form
    82,309,529.02/123,464,346.96 = 20,903,292.94/x
  3. Step 3: Cross multiply
    82,309,529.02x = 123,464,346.96 × 20,903,292.94
  4. Step 4: Simplify right side
    82,309,529.02x = 2,580,811,412,150,678.50
  5. Step 5: Solve for x
    x = 2,580,811,412,150,678.50/82,309,529.02
  6. Step 6: Final answer
    x = 31,354,952.98

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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.