Home / 78,814,967.91-108,764,006.31-43,051,438.24

Finding the Fourth Proportional to 78,814,967.91, 108,764,006.31 and 43,051,438.24

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Solution

The fourth proportional to 78,814,967.91, 108,764,006.31 and 43,051,438.24 is: 59,410,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,814,967.91 : 108,764,006.31 = 43,051,438.24 : x
  2. Step 2: Convert to fraction form
    78,814,967.91/108,764,006.31 = 43,051,438.24/x
  3. Step 3: Cross multiply
    78,814,967.91x = 108,764,006.31 × 43,051,438.24
  4. Step 4: Simplify right side
    78,814,967.91x = 4,682,446,900,389,936
  5. Step 5: Solve for x
    x = 4,682,446,900,389,936/78,814,967.91
  6. Step 6: Final answer
    x = 59,410,630.04

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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.