Home / 52,510,268.40-78,728,077.80-20,149,666.80

Finding the Fourth Proportional to 52,510,268.40, 78,728,077.80 and 20,149,666.80

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Solution

The fourth proportional to 52,510,268.40, 78,728,077.80 and 20,149,666.80 is: 30,210,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510,268.40 : 78,728,077.80 = 20,149,666.80 : x
  2. Step 2: Convert to fraction form
    52,510,268.40/78,728,077.80 = 20,149,666.80/x
  3. Step 3: Cross multiply
    52,510,268.40x = 78,728,077.80 × 20,149,666.80
  4. Step 4: Simplify right side
    52,510,268.40x = 1,586,344,535,474,477
  5. Step 5: Solve for x
    x = 1,586,344,535,474,477/52,510,268.40
  6. Step 6: Final answer
    x = 30,210,177.62

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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.