Home / 130,392,185.04-179,866,286.28-81,414,582.48

Finding the Fourth Proportional to 130,392,185.04, 179,866,286.28 and 81,414,582.48

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Solution

The fourth proportional to 130,392,185.04, 179,866,286.28 and 81,414,582.48 is: 112,305,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392,185.04 : 179,866,286.28 = 81,414,582.48 : x
  2. Step 2: Convert to fraction form
    130,392,185.04/179,866,286.28 = 81,414,582.48/x
  3. Step 3: Cross multiply
    130,392,185.04x = 179,866,286.28 × 81,414,582.48
  4. Step 4: Simplify right side
    130,392,185.04x = 14,643,738,599,714,354
  5. Step 5: Solve for x
    x = 14,643,738,599,714,354/130,392,185.04
  6. Step 6: Final answer
    x = 112,305,339.43

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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.