Home / 79,213,869.91-118,797,753.84-30,680,899.03

Finding the Fourth Proportional to 79,213,869.91, 118,797,753.84 and 30,680,899.03

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Solution

The fourth proportional to 79,213,869.91, 118,797,753.84 and 30,680,899.03 is: 46,012,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,213,869.91 : 118,797,753.84 = 30,680,899.03 : x
  2. Step 2: Convert to fraction form
    79,213,869.91/118,797,753.84 = 30,680,899.03/x
  3. Step 3: Cross multiply
    79,213,869.91x = 118,797,753.84 × 30,680,899.03
  4. Step 4: Simplify right side
    79,213,869.91x = 3,644,821,890,555,835
  5. Step 5: Solve for x
    x = 3,644,821,890,555,835/79,213,869.91
  6. Step 6: Final answer
    x = 46,012,420.49

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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.