Home / 354,261,372.80-531,392,059.20-210,934,140.80

Finding the Fourth Proportional to 354,261,372.80, 531,392,059.20 and 210,934,140.80

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Solution

The fourth proportional to 354,261,372.80, 531,392,059.20 and 210,934,140.80 is: 316,401,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,261,372.80 : 531,392,059.20 = 210,934,140.80 : x
  2. Step 2: Convert to fraction form
    354,261,372.80/531,392,059.20 = 210,934,140.80/x
  3. Step 3: Cross multiply
    354,261,372.80x = 531,392,059.20 × 210,934,140.80
  4. Step 4: Simplify right side
    354,261,372.80x = 112,088,727,435,294,736
  5. Step 5: Solve for x
    x = 112,088,727,435,294,736/354,261,372.80
  6. Step 6: Final answer
    x = 316,401,211.20

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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.