Home / 200,078,475.39-276,108,296.10-108,508,299.39

Finding the Fourth Proportional to 200,078,475.39, 276,108,296.10 and 108,508,299.39

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Solution

The fourth proportional to 200,078,475.39, 276,108,296.10 and 108,508,299.39 is: 149,741,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,475.39 : 276,108,296.10 = 108,508,299.39 : x
  2. Step 2: Convert to fraction form
    200,078,475.39/276,108,296.10 = 108,508,299.39/x
  3. Step 3: Cross multiply
    200,078,475.39x = 276,108,296.10 × 108,508,299.39
  4. Step 4: Simplify right side
    200,078,475.39x = 29,960,041,657,281,572
  5. Step 5: Solve for x
    x = 29,960,041,657,281,572/200,078,475.39
  6. Step 6: Final answer
    x = 149,741,453.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.