Home / 303,503,204.64-455,255,135.28-142,058,514.72

Finding the Fourth Proportional to 303,503,204.64, 455,255,135.28 and 142,058,514.72

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Solution

The fourth proportional to 303,503,204.64, 455,255,135.28 and 142,058,514.72 is: 213,087,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,503,204.64 : 455,255,135.28 = 142,058,514.72 : x
  2. Step 2: Convert to fraction form
    303,503,204.64/455,255,135.28 = 142,058,514.72/x
  3. Step 3: Cross multiply
    303,503,204.64x = 455,255,135.28 × 142,058,514.72
  4. Step 4: Simplify right side
    303,503,204.64x = 64,672,868,336,529,464
  5. Step 5: Solve for x
    x = 64,672,868,336,529,464/303,503,204.64
  6. Step 6: Final answer
    x = 213,087,925.75

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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.