Home / 219,864,032.80-329,922,020.40-83,647,175.20

Finding the Fourth Proportional to 219,864,032.80, 329,922,020.40 and 83,647,175.20

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Solution

The fourth proportional to 219,864,032.80, 329,922,020.40 and 83,647,175.20 is: 125,518,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,864,032.80 : 329,922,020.40 = 83,647,175.20 : x
  2. Step 2: Convert to fraction form
    219,864,032.80/329,922,020.40 = 83,647,175.20/x
  3. Step 3: Cross multiply
    219,864,032.80x = 329,922,020.40 × 83,647,175.20
  4. Step 4: Simplify right side
    219,864,032.80x = 27,597,045,042,736,772
  5. Step 5: Solve for x
    x = 27,597,045,042,736,772/219,864,032.80
  6. Step 6: Final answer
    x = 125,518,688.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.