Home / 47,481,703.20-71,222,554.80-28,082,138.40

Finding the Fourth Proportional to 47,481,703.20, 71,222,554.80 and 28,082,138.40

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Solution

The fourth proportional to 47,481,703.20, 71,222,554.80 and 28,082,138.40 is: 42,123,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,481,703.20 : 71,222,554.80 = 28,082,138.40 : x
  2. Step 2: Convert to fraction form
    47,481,703.20/71,222,554.80 = 28,082,138.40/x
  3. Step 3: Cross multiply
    47,481,703.20x = 71,222,554.80 × 28,082,138.40
  4. Step 4: Simplify right side
    47,481,703.20x = 2,000,081,641,095,184.25
  5. Step 5: Solve for x
    x = 2,000,081,641,095,184.25/47,481,703.20
  6. Step 6: Final answer
    x = 42,123,207.60

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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.