Home / 53,339,938.20-80,009,907.30-52,489,632.60

Finding the Fourth Proportional to 53,339,938.20, 80,009,907.30 and 52,489,632.60

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Solution

The fourth proportional to 53,339,938.20, 80,009,907.30 and 52,489,632.60 is: 78,734,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339,938.20 : 80,009,907.30 = 52,489,632.60 : x
  2. Step 2: Convert to fraction form
    53,339,938.20/80,009,907.30 = 52,489,632.60/x
  3. Step 3: Cross multiply
    53,339,938.20x = 80,009,907.30 × 52,489,632.60
  4. Step 4: Simplify right side
    53,339,938.20x = 4,199,690,638,537,058
  5. Step 5: Solve for x
    x = 4,199,690,638,537,058/53,339,938.20
  6. Step 6: Final answer
    x = 78,734,448.90

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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.