Home / 47,378,244.90-71,120,511.45-36,643,136.70

Finding the Fourth Proportional to 47,378,244.90, 71,120,511.45 and 36,643,136.70

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Solution

The fourth proportional to 47,378,244.90, 71,120,511.45 and 36,643,136.70 is: 55,005,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378,244.90 : 71,120,511.45 = 36,643,136.70 : x
  2. Step 2: Convert to fraction form
    47,378,244.90/71,120,511.45 = 36,643,136.70/x
  3. Step 3: Cross multiply
    47,378,244.90x = 71,120,511.45 × 36,643,136.70
  4. Step 4: Simplify right side
    47,378,244.90x = 2,606,078,623,236,265.50
  5. Step 5: Solve for x
    x = 2,606,078,623,236,265.50/47,378,244.90
  6. Step 6: Final answer
    x = 55,005,807.60

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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.