Home / 206,694,312.30-310,041,468.45-103,382,181.90

Finding the Fourth Proportional to 206,694,312.30, 310,041,468.45 and 103,382,181.90

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Solution

The fourth proportional to 206,694,312.30, 310,041,468.45 and 103,382,181.90 is: 155,073,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,694,312.30 : 310,041,468.45 = 103,382,181.90 : x
  2. Step 2: Convert to fraction form
    206,694,312.30/310,041,468.45 = 103,382,181.90/x
  3. Step 3: Cross multiply
    206,694,312.30x = 310,041,468.45 × 103,382,181.90
  4. Step 4: Simplify right side
    206,694,312.30x = 32,052,763,487,841,012
  5. Step 5: Solve for x
    x = 32,052,763,487,841,012/206,694,312.30
  6. Step 6: Final answer
    x = 155,073,272.85

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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.