Home / 53,285,907.80-79,928,861.70-29,015,456.60

Finding the Fourth Proportional to 53,285,907.80, 79,928,861.70 and 29,015,456.60

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Solution

The fourth proportional to 53,285,907.80, 79,928,861.70 and 29,015,456.60 is: 43,523,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285,907.80 : 79,928,861.70 = 29,015,456.60 : x
  2. Step 2: Convert to fraction form
    53,285,907.80/79,928,861.70 = 29,015,456.60/x
  3. Step 3: Cross multiply
    53,285,907.80x = 79,928,861.70 × 29,015,456.60
  4. Step 4: Simplify right side
    53,285,907.80x = 2,319,172,417,743,752.50
  5. Step 5: Solve for x
    x = 2,319,172,417,743,752.50/53,285,907.80
  6. Step 6: Final answer
    x = 43,523,184.90

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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.