Home / 53,504,838.60-80,257,257.90-39,879,904.20

Finding the Fourth Proportional to 53,504,838.60, 80,257,257.90 and 39,879,904.20

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Solution

The fourth proportional to 53,504,838.60, 80,257,257.90 and 39,879,904.20 is: 59,819,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,504,838.60 : 80,257,257.90 = 39,879,904.20 : x
  2. Step 2: Convert to fraction form
    53,504,838.60/80,257,257.90 = 39,879,904.20/x
  3. Step 3: Cross multiply
    53,504,838.60x = 80,257,257.90 × 39,879,904.20
  4. Step 4: Simplify right side
    53,504,838.60x = 3,200,651,756,406,693.50
  5. Step 5: Solve for x
    x = 3,200,651,756,406,693.50/53,504,838.60
  6. Step 6: Final answer
    x = 59,819,856.30

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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.