Home / 53,217,002.40-79,825,503.60-30,479,200.80

Finding the Fourth Proportional to 53,217,002.40, 79,825,503.60 and 30,479,200.80

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Solution

The fourth proportional to 53,217,002.40, 79,825,503.60 and 30,479,200.80 is: 45,718,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217,002.40 : 79,825,503.60 = 30,479,200.80 : x
  2. Step 2: Convert to fraction form
    53,217,002.40/79,825,503.60 = 30,479,200.80/x
  3. Step 3: Cross multiply
    53,217,002.40x = 79,825,503.60 × 30,479,200.80
  4. Step 4: Simplify right side
    53,217,002.40x = 2,433,017,553,185,523
  5. Step 5: Solve for x
    x = 2,433,017,553,185,523/53,217,002.40
  6. Step 6: Final answer
    x = 45,718,801.20

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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.