Home / 284,251,853.90-426,313,322.55-128,702,976.03

Finding the Fourth Proportional to 284,251,853.90, 426,313,322.55 and 128,702,976.03

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Solution

The fourth proportional to 284,251,853.90, 426,313,322.55 and 128,702,976.03 is: 193,025,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,251,853.90 : 426,313,322.55 = 128,702,976.03 : x
  2. Step 2: Convert to fraction form
    284,251,853.90/426,313,322.55 = 128,702,976.03/x
  3. Step 3: Cross multiply
    284,251,853.90x = 426,313,322.55 × 128,702,976.03
  4. Step 4: Simplify right side
    284,251,853.90x = 54,867,793,333,422,312
  5. Step 5: Solve for x
    x = 54,867,793,333,422,312/284,251,853.90
  6. Step 6: Final answer
    x = 193,025,278.75

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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.