Home / 29,235,903.60-43,853,855.40-20,165,977.20

Finding the Fourth Proportional to 29,235,903.60, 43,853,855.40 and 20,165,977.20

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Solution

The fourth proportional to 29,235,903.60, 43,853,855.40 and 20,165,977.20 is: 30,248,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235,903.60 : 43,853,855.40 = 20,165,977.20 : x
  2. Step 2: Convert to fraction form
    29,235,903.60/43,853,855.40 = 20,165,977.20/x
  3. Step 3: Cross multiply
    29,235,903.60x = 43,853,855.40 × 20,165,977.20
  4. Step 4: Simplify right side
    29,235,903.60x = 884,355,848,128,496.88
  5. Step 5: Solve for x
    x = 884,355,848,128,496.88/29,235,903.60
  6. Step 6: Final answer
    x = 30,248,965.80

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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.