Home / 159,621,835.68-220,278,198.48-86,282,977.44

Finding the Fourth Proportional to 159,621,835.68, 220,278,198.48 and 86,282,977.44

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Solution

The fourth proportional to 159,621,835.68, 220,278,198.48 and 86,282,977.44 is: 119,070,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,621,835.68 : 220,278,198.48 = 86,282,977.44 : x
  2. Step 2: Convert to fraction form
    159,621,835.68/220,278,198.48 = 86,282,977.44/x
  3. Step 3: Cross multiply
    159,621,835.68x = 220,278,198.48 × 86,282,977.44
  4. Step 4: Simplify right side
    159,621,835.68x = 19,006,258,829,973,680
  5. Step 5: Solve for x
    x = 19,006,258,829,973,680/159,621,835.68
  6. Step 6: Final answer
    x = 119,070,544.13

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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.