Home / 53,339,905.20-80,009,857.80-52,489,599.60

Finding the Fourth Proportional to 53,339,905.20, 80,009,857.80 and 52,489,599.60

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Solution

The fourth proportional to 53,339,905.20, 80,009,857.80 and 52,489,599.60 is: 78,734,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339,905.20 : 80,009,857.80 = 52,489,599.60 : x
  2. Step 2: Convert to fraction form
    53,339,905.20/80,009,857.80 = 52,489,599.60/x
  3. Step 3: Cross multiply
    53,339,905.20x = 80,009,857.80 × 52,489,599.60
  4. Step 4: Simplify right side
    53,339,905.20x = 4,199,685,399,974,937
  5. Step 5: Solve for x
    x = 4,199,685,399,974,937/53,339,905.20
  6. Step 6: Final answer
    x = 78,734,399.40

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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.