Home / 203,472,536.10-305,227,466.55-67,158,219.30

Finding the Fourth Proportional to 203,472,536.10, 305,227,466.55 and 67,158,219.30

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Solution

The fourth proportional to 203,472,536.10, 305,227,466.55 and 67,158,219.30 is: 100,743,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,472,536.10 : 305,227,466.55 = 67,158,219.30 : x
  2. Step 2: Convert to fraction form
    203,472,536.10/305,227,466.55 = 67,158,219.30/x
  3. Step 3: Cross multiply
    203,472,536.10x = 305,227,466.55 × 67,158,219.30
  4. Step 4: Simplify right side
    203,472,536.10x = 20,498,533,134,948,316
  5. Step 5: Solve for x
    x = 20,498,533,134,948,316/203,472,536.10
  6. Step 6: Final answer
    x = 100,743,488.67

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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.