Home / 111,284,992.80-166,927,489.20-53,889,364.80

Finding the Fourth Proportional to 111,284,992.80, 166,927,489.20 and 53,889,364.80

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Solution

The fourth proportional to 111,284,992.80, 166,927,489.20 and 53,889,364.80 is: 80,834,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,284,992.80 : 166,927,489.20 = 53,889,364.80 : x
  2. Step 2: Convert to fraction form
    111,284,992.80/166,927,489.20 = 53,889,364.80/x
  3. Step 3: Cross multiply
    111,284,992.80x = 166,927,489.20 × 53,889,364.80
  4. Step 4: Simplify right side
    111,284,992.80x = 8,995,616,360,646,859
  5. Step 5: Solve for x
    x = 8,995,616,360,646,859/111,284,992.80
  6. Step 6: Final answer
    x = 80,834,047.20

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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.