Home / 128,488,959.95-192,499,604.06-114,714,009.23

Finding the Fourth Proportional to 128,488,959.95, 192,499,604.06 and 114,714,009.23

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Solution

The fourth proportional to 128,488,959.95, 192,499,604.06 and 114,714,009.23 is: 171,862,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,488,959.95 : 192,499,604.06 = 114,714,009.23 : x
  2. Step 2: Convert to fraction form
    128,488,959.95/192,499,604.06 = 114,714,009.23/x
  3. Step 3: Cross multiply
    128,488,959.95x = 192,499,604.06 × 114,714,009.23
  4. Step 4: Simplify right side
    128,488,959.95x = 22,082,401,355,374,116
  5. Step 5: Solve for x
    x = 22,082,401,355,374,116/128,488,959.95
  6. Step 6: Final answer
    x = 171,862,246.88

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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.