Home / 210,653,692.20-315,980,538.30-108,617,020.20

Finding the Fourth Proportional to 210,653,692.20, 315,980,538.30 and 108,617,020.20

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Solution

The fourth proportional to 210,653,692.20, 315,980,538.30 and 108,617,020.20 is: 162,925,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,653,692.20 : 315,980,538.30 = 108,617,020.20 : x
  2. Step 2: Convert to fraction form
    210,653,692.20/315,980,538.30 = 108,617,020.20/x
  3. Step 3: Cross multiply
    210,653,692.20x = 315,980,538.30 × 108,617,020.20
  4. Step 4: Simplify right side
    210,653,692.20x = 34,320,864,511,337,976
  5. Step 5: Solve for x
    x = 34,320,864,511,337,976/210,653,692.20
  6. Step 6: Final answer
    x = 162,925,530.30

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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.