Home / 30,919,281.34-46,381,354.44-8,200,178.58

Finding the Fourth Proportional to 30,919,281.34, 46,381,354.44 and 8,200,178.58

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Solution

The fourth proportional to 30,919,281.34, 46,381,354.44 and 8,200,178.58 is: 12,300,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919,281.34 : 46,381,354.44 = 8,200,178.58 : x
  2. Step 2: Convert to fraction form
    30,919,281.34/46,381,354.44 = 8,200,178.58/x
  3. Step 3: Cross multiply
    30,919,281.34x = 46,381,354.44 × 8,200,178.58
  4. Step 4: Simplify right side
    30,919,281.34x = 380,335,389,190,275.88
  5. Step 5: Solve for x
    x = 380,335,389,190,275.88/30,919,281.34
  6. Step 6: Final answer
    x = 12,300,912.98

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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.