Home / 54,310,559.40-81,434,346.30-20,235,349.80

Finding the Fourth Proportional to 54,310,559.40, 81,434,346.30 and 20,235,349.80

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Solution

The fourth proportional to 54,310,559.40, 81,434,346.30 and 20,235,349.80 is: 30,341,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310,559.40 : 81,434,346.30 = 20,235,349.80 : x
  2. Step 2: Convert to fraction form
    54,310,559.40/81,434,346.30 = 20,235,349.80/x
  3. Step 3: Cross multiply
    54,310,559.40x = 81,434,346.30 × 20,235,349.80
  4. Step 4: Simplify right side
    54,310,559.40x = 1,647,852,483,114,835.75
  5. Step 5: Solve for x
    x = 1,647,852,483,114,835.75/54,310,559.40
  6. Step 6: Final answer
    x = 30,341,290.93

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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.