Home / 159,831,901.80-220,568,016.06-86,493,043.80

Finding the Fourth Proportional to 159,831,901.80, 220,568,016.06 and 86,493,043.80

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Solution

The fourth proportional to 159,831,901.80, 220,568,016.06 and 86,493,043.80 is: 119,360,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,901.80 : 220,568,016.06 = 86,493,043.80 : x
  2. Step 2: Convert to fraction form
    159,831,901.80/220,568,016.06 = 86,493,043.80/x
  3. Step 3: Cross multiply
    159,831,901.80x = 220,568,016.06 × 86,493,043.80
  4. Step 4: Simplify right side
    159,831,901.80x = 19,077,599,073,956,684
  5. Step 5: Solve for x
    x = 19,077,599,073,956,684/159,831,901.80
  6. Step 6: Final answer
    x = 119,360,395.89

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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.