Home / 83,794,899.20-115,619,630.45-48,980,855.39

Finding the Fourth Proportional to 83,794,899.20, 115,619,630.45 and 48,980,855.39

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Solution

The fourth proportional to 83,794,899.20, 115,619,630.45 and 48,980,855.39 is: 67,583,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,794,899.20 : 115,619,630.45 = 48,980,855.39 : x
  2. Step 2: Convert to fraction form
    83,794,899.20/115,619,630.45 = 48,980,855.39/x
  3. Step 3: Cross multiply
    83,794,899.20x = 115,619,630.45 × 48,980,855.39
  4. Step 4: Simplify right side
    83,794,899.20x = 5,663,148,398,493,688
  5. Step 5: Solve for x
    x = 5,663,148,398,493,688/83,794,899.20
  6. Step 6: Final answer
    x = 67,583,450.22

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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.