Home / 56,861,289.96-85,291,865.76-18,522,741.48

Finding the Fourth Proportional to 56,861,289.96, 85,291,865.76 and 18,522,741.48

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Solution

The fourth proportional to 56,861,289.96, 85,291,865.76 and 18,522,741.48 is: 27,784,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,289.96 : 85,291,865.76 = 18,522,741.48 : x
  2. Step 2: Convert to fraction form
    56,861,289.96/85,291,865.76 = 18,522,741.48/x
  3. Step 3: Cross multiply
    56,861,289.96x = 85,291,865.76 × 18,522,741.48
  4. Step 4: Simplify right side
    56,861,289.96x = 1,579,839,179,819,343.75
  5. Step 5: Solve for x
    x = 1,579,839,179,819,343.75/56,861,289.96
  6. Step 6: Final answer
    x = 27,784,089.68

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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.