Home / 206,097,315.70-309,145,973.55-104,060,643.70

Finding the Fourth Proportional to 206,097,315.70, 309,145,973.55 and 104,060,643.70

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Solution

The fourth proportional to 206,097,315.70, 309,145,973.55 and 104,060,643.70 is: 156,090,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,097,315.70 : 309,145,973.55 = 104,060,643.70 : x
  2. Step 2: Convert to fraction form
    206,097,315.70/309,145,973.55 = 104,060,643.70/x
  3. Step 3: Cross multiply
    206,097,315.70x = 309,145,973.55 × 104,060,643.70
  4. Step 4: Simplify right side
    206,097,315.70x = 32,169,929,004,876,176
  5. Step 5: Solve for x
    x = 32,169,929,004,876,176/206,097,315.70
  6. Step 6: Final answer
    x = 156,090,965.55

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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.