Home / 198,782,058.32-297,785,184.08-154,857,146.06

Finding the Fourth Proportional to 198,782,058.32, 297,785,184.08 and 154,857,146.06

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Solution

The fourth proportional to 198,782,058.32, 297,785,184.08 and 154,857,146.06 is: 231,983,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782,058.32 : 297,785,184.08 = 154,857,146.06 : x
  2. Step 2: Convert to fraction form
    198,782,058.32/297,785,184.08 = 154,857,146.06/x
  3. Step 3: Cross multiply
    198,782,058.32x = 297,785,184.08 × 154,857,146.06
  4. Step 4: Simplify right side
    198,782,058.32x = 46,114,163,745,580,544
  5. Step 5: Solve for x
    x = 46,114,163,745,580,544/198,782,058.32
  6. Step 6: Final answer
    x = 231,983,530.78

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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.