Home / 53,315,999.20-79,973,998.80-50,127,353.20

Finding the Fourth Proportional to 53,315,999.20, 79,973,998.80 and 50,127,353.20

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Solution

The fourth proportional to 53,315,999.20, 79,973,998.80 and 50,127,353.20 is: 75,191,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,315,999.20 : 79,973,998.80 = 50,127,353.20 : x
  2. Step 2: Convert to fraction form
    53,315,999.20/79,973,998.80 = 50,127,353.20/x
  3. Step 3: Cross multiply
    53,315,999.20x = 79,973,998.80 × 50,127,353.20
  4. Step 4: Simplify right side
    53,315,999.20x = 4,008,884,884,663,976
  5. Step 5: Solve for x
    x = 4,008,884,884,663,976/53,315,999.20
  6. Step 6: Final answer
    x = 75,191,029.80

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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.