Home / 45,422,529.20-68,133,793.80-21,534,657.20

Finding the Fourth Proportional to 45,422,529.20, 68,133,793.80 and 21,534,657.20

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Solution

The fourth proportional to 45,422,529.20, 68,133,793.80 and 21,534,657.20 is: 32,301,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422,529.20 : 68,133,793.80 = 21,534,657.20 : x
  2. Step 2: Convert to fraction form
    45,422,529.20/68,133,793.80 = 21,534,657.20/x
  3. Step 3: Cross multiply
    45,422,529.20x = 68,133,793.80 × 21,534,657.20
  4. Step 4: Simplify right side
    45,422,529.20x = 1,467,237,893,218,485.25
  5. Step 5: Solve for x
    x = 1,467,237,893,218,485.25/45,422,529.20
  6. Step 6: Final answer
    x = 32,301,985.80

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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.