Home / 149,413,872.96-206,192,259.18-83,338,654.32

Finding the Fourth Proportional to 149,413,872.96, 206,192,259.18 and 83,338,654.32

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Solution

The fourth proportional to 149,413,872.96, 206,192,259.18 and 83,338,654.32 is: 115,007,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,413,872.96 : 206,192,259.18 = 83,338,654.32 : x
  2. Step 2: Convert to fraction form
    149,413,872.96/206,192,259.18 = 83,338,654.32/x
  3. Step 3: Cross multiply
    149,413,872.96x = 206,192,259.18 × 83,338,654.32
  4. Step 4: Simplify right side
    149,413,872.96x = 17,183,785,411,261,866
  5. Step 5: Solve for x
    x = 17,183,785,411,261,866/149,413,872.96
  6. Step 6: Final answer
    x = 115,007,964.59

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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.