Home / 57,089,428.63-85,614,950.16-20,690,199.82

Finding the Fourth Proportional to 57,089,428.63, 85,614,950.16 and 20,690,199.82

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Solution

The fourth proportional to 57,089,428.63, 85,614,950.16 and 20,690,199.82 is: 31,028,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089,428.63 : 85,614,950.16 = 20,690,199.82 : x
  2. Step 2: Convert to fraction form
    57,089,428.63/85,614,950.16 = 20,690,199.82/x
  3. Step 3: Cross multiply
    57,089,428.63x = 85,614,950.16 × 20,690,199.82
  4. Step 4: Simplify right side
    57,089,428.63x = 1,771,390,426,389,741
  5. Step 5: Solve for x
    x = 1,771,390,426,389,741/57,089,428.63
  6. Step 6: Final answer
    x = 31,028,343.93

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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.