Home / 57,281,024-85,977,025.92-54,170,225.84

Finding the Fourth Proportional to 57,281,024, 85,977,025.92 and 54,170,225.84

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Solution

The fourth proportional to 57,281,024, 85,977,025.92 and 54,170,225.84 is: 81,307,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,281,024 : 85,977,025.92 = 54,170,225.84 : x
  2. Step 2: Convert to fraction form
    57,281,024/85,977,025.92 = 54,170,225.84/x
  3. Step 3: Cross multiply
    57,281,024x = 85,977,025.92 × 54,170,225.84
  4. Step 4: Simplify right side
    57,281,024x = 4,657,394,911,137,934
  5. Step 5: Solve for x
    x = 4,657,394,911,137,934/57,281,024
  6. Step 6: Final answer
    x = 81,307,815.15

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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.