Home / 209,953,064.30-314,929,596.45-206,551,841.90

Finding the Fourth Proportional to 209,953,064.30, 314,929,596.45 and 206,551,841.90

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Solution

The fourth proportional to 209,953,064.30, 314,929,596.45 and 206,551,841.90 is: 309,827,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,064.30 : 314,929,596.45 = 206,551,841.90 : x
  2. Step 2: Convert to fraction form
    209,953,064.30/314,929,596.45 = 206,551,841.90/x
  3. Step 3: Cross multiply
    209,953,064.30x = 314,929,596.45 × 206,551,841.90
  4. Step 4: Simplify right side
    209,953,064.30x = 65,049,288,215,571,200
  5. Step 5: Solve for x
    x = 65,049,288,215,571,200/209,953,064.30
  6. Step 6: Final answer
    x = 309,827,762.85

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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.