Home / 273,303,339.20-409,457,344.80-129,378,910.40

Finding the Fourth Proportional to 273,303,339.20, 409,457,344.80 and 129,378,910.40

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Solution

The fourth proportional to 273,303,339.20, 409,457,344.80 and 129,378,910.40 is: 193,832,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,303,339.20 : 409,457,344.80 = 129,378,910.40 : x
  2. Step 2: Convert to fraction form
    273,303,339.20/409,457,344.80 = 129,378,910.40/x
  3. Step 3: Cross multiply
    273,303,339.20x = 409,457,344.80 × 129,378,910.40
  4. Step 4: Simplify right side
    273,303,339.20x = 52,975,145,125,501,112
  5. Step 5: Solve for x
    x = 52,975,145,125,501,112/273,303,339.20
  6. Step 6: Final answer
    x = 193,832,776.73

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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.