Home / 52,416,511.20-78,624,766.80-43,169,437.80

Finding the Fourth Proportional to 52,416,511.20, 78,624,766.80 and 43,169,437.80

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Solution

The fourth proportional to 52,416,511.20, 78,624,766.80 and 43,169,437.80 is: 64,754,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,416,511.20 : 78,624,766.80 = 43,169,437.80 : x
  2. Step 2: Convert to fraction form
    52,416,511.20/78,624,766.80 = 43,169,437.80/x
  3. Step 3: Cross multiply
    52,416,511.20x = 78,624,766.80 × 43,169,437.80
  4. Step 4: Simplify right side
    52,416,511.20x = 3,394,186,979,912,104.50
  5. Step 5: Solve for x
    x = 3,394,186,979,912,104.50/52,416,511.20
  6. Step 6: Final answer
    x = 64,754,156.70

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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.