Home / 203,980,834.20-306,030,941.82-65,803,783.08

Finding the Fourth Proportional to 203,980,834.20, 306,030,941.82 and 65,803,783.08

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Solution

The fourth proportional to 203,980,834.20, 306,030,941.82 and 65,803,783.08 is: 98,724,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,980,834.20 : 306,030,941.82 = 65,803,783.08 : x
  2. Step 2: Convert to fraction form
    203,980,834.20/306,030,941.82 = 65,803,783.08/x
  3. Step 3: Cross multiply
    203,980,834.20x = 306,030,941.82 × 65,803,783.08
  4. Step 4: Simplify right side
    203,980,834.20x = 20,137,993,711,291,380
  5. Step 5: Solve for x
    x = 20,137,993,711,291,380/203,980,834.20
  6. Step 6: Final answer
    x = 98,724,930.65

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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.