Home / 153,271,999.70-229,907,999.55-136,643,801.30

Finding the Fourth Proportional to 153,271,999.70, 229,907,999.55 and 136,643,801.30

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Solution

The fourth proportional to 153,271,999.70, 229,907,999.55 and 136,643,801.30 is: 204,965,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,271,999.70 : 229,907,999.55 = 136,643,801.30 : x
  2. Step 2: Convert to fraction form
    153,271,999.70/229,907,999.55 = 136,643,801.30/x
  3. Step 3: Cross multiply
    153,271,999.70x = 229,907,999.55 × 136,643,801.30
  4. Step 4: Simplify right side
    153,271,999.70x = 31,415,503,007,790,692
  5. Step 5: Solve for x
    x = 31,415,503,007,790,692/153,271,999.70
  6. Step 6: Final answer
    x = 204,965,701.95

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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.