Home / 130,392,186.04-179,866,287.66-81,414,583.48

Finding the Fourth Proportional to 130,392,186.04, 179,866,287.66 and 81,414,583.48

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Solution

The fourth proportional to 130,392,186.04, 179,866,287.66 and 81,414,583.48 is: 112,305,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392,186.04 : 179,866,287.66 = 81,414,583.48 : x
  2. Step 2: Convert to fraction form
    130,392,186.04/179,866,287.66 = 81,414,583.48/x
  3. Step 3: Cross multiply
    130,392,186.04x = 179,866,287.66 × 81,414,583.48
  4. Step 4: Simplify right side
    130,392,186.04x = 14,643,738,891,932,764
  5. Step 5: Solve for x
    x = 14,643,738,891,932,764/130,392,186.04
  6. Step 6: Final answer
    x = 112,305,340.81

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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.