Home / 85,977,834.57-128,986,675.44-24,567,793.11

Finding the Fourth Proportional to 85,977,834.57, 128,986,675.44 and 24,567,793.11

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Solution

The fourth proportional to 85,977,834.57, 128,986,675.44 and 24,567,793.11 is: 36,857,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,977,834.57 : 128,986,675.44 = 24,567,793.11 : x
  2. Step 2: Convert to fraction form
    85,977,834.57/128,986,675.44 = 24,567,793.11/x
  3. Step 3: Cross multiply
    85,977,834.57x = 128,986,675.44 × 24,567,793.11
  4. Step 4: Simplify right side
    85,977,834.57x = 3,168,917,956,156,638
  5. Step 5: Solve for x
    x = 3,168,917,956,156,638/85,977,834.57
  6. Step 6: Final answer
    x = 36,857,382.74

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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.