Home / 206,651,212.80-309,551,666.40-104,472,823.20

Finding the Fourth Proportional to 206,651,212.80, 309,551,666.40 and 104,472,823.20

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Solution

The fourth proportional to 206,651,212.80, 309,551,666.40 and 104,472,823.20 is: 156,494,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,651,212.80 : 309,551,666.40 = 104,472,823.20 : x
  2. Step 2: Convert to fraction form
    206,651,212.80/309,551,666.40 = 104,472,823.20/x
  3. Step 3: Cross multiply
    206,651,212.80x = 309,551,666.40 × 104,472,823.20
  4. Step 4: Simplify right side
    206,651,212.80x = 32,339,736,515,072,580
  5. Step 5: Solve for x
    x = 32,339,736,515,072,580/206,651,212.80
  6. Step 6: Final answer
    x = 156,494,298.18

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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.