Home / 376,992,743.40-565,489,115.10-100,643,423.40

Finding the Fourth Proportional to 376,992,743.40, 565,489,115.10 and 100,643,423.40

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Solution

The fourth proportional to 376,992,743.40, 565,489,115.10 and 100,643,423.40 is: 150,965,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,992,743.40 : 565,489,115.10 = 100,643,423.40 : x
  2. Step 2: Convert to fraction form
    376,992,743.40/565,489,115.10 = 100,643,423.40/x
  3. Step 3: Cross multiply
    376,992,743.40x = 565,489,115.10 × 100,643,423.40
  4. Step 4: Simplify right side
    376,992,743.40x = 56,912,760,439,100,640
  5. Step 5: Solve for x
    x = 56,912,760,439,100,640/376,992,743.40
  6. Step 6: Final answer
    x = 150,965,135.10

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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.