Home / 147,216,775.42-203,156,514.29-80,236,336.78

Finding the Fourth Proportional to 147,216,775.42, 203,156,514.29 and 80,236,336.78

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Solution

The fourth proportional to 147,216,775.42, 203,156,514.29 and 80,236,336.78 is: 110,724,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216,775.42 : 203,156,514.29 = 80,236,336.78 : x
  2. Step 2: Convert to fraction form
    147,216,775.42/203,156,514.29 = 80,236,336.78/x
  3. Step 3: Cross multiply
    147,216,775.42x = 203,156,514.29 × 80,236,336.78
  4. Step 4: Simplify right side
    147,216,775.42x = 16,300,534,499,623,322
  5. Step 5: Solve for x
    x = 16,300,534,499,623,322/147,216,775.42
  6. Step 6: Final answer
    x = 110,724,708.19

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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.