Home / 57,328,683.50-86,030,020.79-20,934,026.75

Finding the Fourth Proportional to 57,328,683.50, 86,030,020.79 and 20,934,026.75

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Solution

The fourth proportional to 57,328,683.50, 86,030,020.79 and 20,934,026.75 is: 31,414,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328,683.50 : 86,030,020.79 = 20,934,026.75 : x
  2. Step 2: Convert to fraction form
    57,328,683.50/86,030,020.79 = 20,934,026.75/x
  3. Step 3: Cross multiply
    57,328,683.50x = 86,030,020.79 × 20,934,026.75
  4. Step 4: Simplify right side
    57,328,683.50x = 1,800,954,756,520,916.25
  5. Step 5: Solve for x
    x = 1,800,954,756,520,916.25/57,328,683.50
  6. Step 6: Final answer
    x = 31,414,549.34

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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.