Home / 381,942,147.40-572,913,265.49-119,647,138.02

Finding the Fourth Proportional to 381,942,147.40, 572,913,265.49 and 119,647,138.02

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Solution

The fourth proportional to 381,942,147.40, 572,913,265.49 and 119,647,138.02 is: 179,470,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,942,147.40 : 572,913,265.49 = 119,647,138.02 : x
  2. Step 2: Convert to fraction form
    381,942,147.40/572,913,265.49 = 119,647,138.02/x
  3. Step 3: Cross multiply
    381,942,147.40x = 572,913,265.49 × 119,647,138.02
  4. Step 4: Simplify right side
    381,942,147.40x = 68,547,432,549,570,928
  5. Step 5: Solve for x
    x = 68,547,432,549,570,928/381,942,147.40
  6. Step 6: Final answer
    x = 179,470,720.94

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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.