Home / 217,826,420.80-300,600,513.42-118,707,195.88

Finding the Fourth Proportional to 217,826,420.80, 300,600,513.42 and 118,707,195.88

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Solution

The fourth proportional to 217,826,420.80, 300,600,513.42 and 118,707,195.88 is: 163,815,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,826,420.80 : 300,600,513.42 = 118,707,195.88 : x
  2. Step 2: Convert to fraction form
    217,826,420.80/300,600,513.42 = 118,707,195.88/x
  3. Step 3: Cross multiply
    217,826,420.80x = 300,600,513.42 × 118,707,195.88
  4. Step 4: Simplify right side
    217,826,420.80x = 35,683,444,028,176,508
  5. Step 5: Solve for x
    x = 35,683,444,028,176,508/217,826,420.80
  6. Step 6: Final answer
    x = 163,815,959.04

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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.