Home / 54,660,001.80-81,990,002.70-14,270,485.80

Finding the Fourth Proportional to 54,660,001.80, 81,990,002.70 and 14,270,485.80

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Solution

The fourth proportional to 54,660,001.80, 81,990,002.70 and 14,270,485.80 is: 21,405,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660,001.80 : 81,990,002.70 = 14,270,485.80 : x
  2. Step 2: Convert to fraction form
    54,660,001.80/81,990,002.70 = 14,270,485.80/x
  3. Step 3: Cross multiply
    54,660,001.80x = 81,990,002.70 × 14,270,485.80
  4. Step 4: Simplify right side
    54,660,001.80x = 1,170,037,169,272,311.75
  5. Step 5: Solve for x
    x = 1,170,037,169,272,311.75/54,660,001.80
  6. Step 6: Final answer
    x = 21,405,728.70

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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.