Home / 53,900,561.40-80,850,842.10-21,536,460.60

Finding the Fourth Proportional to 53,900,561.40, 80,850,842.10 and 21,536,460.60

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Solution

The fourth proportional to 53,900,561.40, 80,850,842.10 and 21,536,460.60 is: 32,304,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,561.40 : 80,850,842.10 = 21,536,460.60 : x
  2. Step 2: Convert to fraction form
    53,900,561.40/80,850,842.10 = 21,536,460.60/x
  3. Step 3: Cross multiply
    53,900,561.40x = 80,850,842.10 × 21,536,460.60
  4. Step 4: Simplify right side
    53,900,561.40x = 1,741,240,975,363,471.25
  5. Step 5: Solve for x
    x = 1,741,240,975,363,471.25/53,900,561.40
  6. Step 6: Final answer
    x = 32,304,690.90

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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.