Home / 202,392,208.80-303,588,313.20-87,296,522.40

Finding the Fourth Proportional to 202,392,208.80, 303,588,313.20 and 87,296,522.40

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Solution

The fourth proportional to 202,392,208.80, 303,588,313.20 and 87,296,522.40 is: 130,944,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,392,208.80 : 303,588,313.20 = 87,296,522.40 : x
  2. Step 2: Convert to fraction form
    202,392,208.80/303,588,313.20 = 87,296,522.40/x
  3. Step 3: Cross multiply
    202,392,208.80x = 303,588,313.20 × 87,296,522.40
  4. Step 4: Simplify right side
    202,392,208.80x = 26,502,203,983,642,016
  5. Step 5: Solve for x
    x = 26,502,203,983,642,016/202,392,208.80
  6. Step 6: Final answer
    x = 130,944,783.60

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1.5x scale

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.