Home / 68,142,000.30-102,213,000.45-43,955,529.90

Finding the Fourth Proportional to 68,142,000.30, 102,213,000.45 and 43,955,529.90

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Solution

The fourth proportional to 68,142,000.30, 102,213,000.45 and 43,955,529.90 is: 65,933,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142,000.30 : 102,213,000.45 = 43,955,529.90 : x
  2. Step 2: Convert to fraction form
    68,142,000.30/102,213,000.45 = 43,955,529.90/x
  3. Step 3: Cross multiply
    68,142,000.30x = 102,213,000.45 × 43,955,529.90
  4. Step 4: Simplify right side
    68,142,000.30x = 4,492,826,597,448,688.50
  5. Step 5: Solve for x
    x = 4,492,826,597,448,688.50/68,142,000.30
  6. Step 6: Final answer
    x = 65,933,294.85

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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.