Home / 202,392,209.80-303,588,314.70-87,296,523.40

Finding the Fourth Proportional to 202,392,209.80, 303,588,314.70 and 87,296,523.40

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Solution

The fourth proportional to 202,392,209.80, 303,588,314.70 and 87,296,523.40 is: 130,944,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,392,209.80 : 303,588,314.70 = 87,296,523.40 : x
  2. Step 2: Convert to fraction form
    202,392,209.80/303,588,314.70 = 87,296,523.40/x
  3. Step 3: Cross multiply
    202,392,209.80x = 303,588,314.70 × 87,296,523.40
  4. Step 4: Simplify right side
    202,392,209.80x = 26,502,204,418,175,116
  5. Step 5: Solve for x
    x = 26,502,204,418,175,116/202,392,209.80
  6. Step 6: Final answer
    x = 130,944,785.10

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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.