Home / 53,447,430.30-80,171,145.45-39,842,540.70

Finding the Fourth Proportional to 53,447,430.30, 80,171,145.45 and 39,842,540.70

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Solution

The fourth proportional to 53,447,430.30, 80,171,145.45 and 39,842,540.70 is: 59,763,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,447,430.30 : 80,171,145.45 = 39,842,540.70 : x
  2. Step 2: Convert to fraction form
    53,447,430.30/80,171,145.45 = 39,842,540.70/x
  3. Step 3: Cross multiply
    53,447,430.30x = 80,171,145.45 × 39,842,540.70
  4. Step 4: Simplify right side
    53,447,430.30x = 3,194,222,125,557,245
  5. Step 5: Solve for x
    x = 3,194,222,125,557,245/53,447,430.30
  6. Step 6: Final answer
    x = 59,763,811.05

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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.