Home / 52,319,756.05-72,200,690.36-28,797,789.88

Finding the Fourth Proportional to 52,319,756.05, 72,200,690.36 and 28,797,789.88

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Solution

The fourth proportional to 52,319,756.05, 72,200,690.36 and 28,797,789.88 is: 39,740,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,319,756.05 : 72,200,690.36 = 28,797,789.88 : x
  2. Step 2: Convert to fraction form
    52,319,756.05/72,200,690.36 = 28,797,789.88/x
  3. Step 3: Cross multiply
    52,319,756.05x = 72,200,690.36 × 28,797,789.88
  4. Step 4: Simplify right side
    52,319,756.05x = 2,079,220,310,191,434.25
  5. Step 5: Solve for x
    x = 2,079,220,310,191,434.25/52,319,756.05
  6. Step 6: Final answer
    x = 39,740,634.65

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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.