Home / 75,452,402.80-113,178,604.20-54,885,636.10

Finding the Fourth Proportional to 75,452,402.80, 113,178,604.20 and 54,885,636.10

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Solution

The fourth proportional to 75,452,402.80, 113,178,604.20 and 54,885,636.10 is: 82,328,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,452,402.80 : 113,178,604.20 = 54,885,636.10 : x
  2. Step 2: Convert to fraction form
    75,452,402.80/113,178,604.20 = 54,885,636.10/x
  3. Step 3: Cross multiply
    75,452,402.80x = 113,178,604.20 × 54,885,636.10
  4. Step 4: Simplify right side
    75,452,402.80x = 6,211,879,684,427,132
  5. Step 5: Solve for x
    x = 6,211,879,684,427,132/75,452,402.80
  6. Step 6: Final answer
    x = 82,328,454.15

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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.