Home / 217,451,833.61-300,087,142.18-118,336,758.50

Finding the Fourth Proportional to 217,451,833.61, 300,087,142.18 and 118,336,758.50

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Solution

The fourth proportional to 217,451,833.61, 300,087,142.18 and 118,336,758.50 is: 163,306,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,451,833.61 : 300,087,142.18 = 118,336,758.50 : x
  2. Step 2: Convert to fraction form
    217,451,833.61/300,087,142.18 = 118,336,758.50/x
  3. Step 3: Cross multiply
    217,451,833.61x = 300,087,142.18 × 118,336,758.50
  4. Step 4: Simplify right side
    217,451,833.61x = 35,511,339,674,226,884
  5. Step 5: Solve for x
    x = 35,511,339,674,226,884/217,451,833.61
  6. Step 6: Final answer
    x = 163,306,692.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.