Home / 111,782,628.42-154,259,996.60-62,221,927.92

Finding the Fourth Proportional to 111,782,628.42, 154,259,996.60 and 62,221,927.92

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Solution

The fourth proportional to 111,782,628.42, 154,259,996.60 and 62,221,927.92 is: 85,866,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,782,628.42 : 154,259,996.60 = 62,221,927.92 : x
  2. Step 2: Convert to fraction form
    111,782,628.42/154,259,996.60 = 62,221,927.92/x
  3. Step 3: Cross multiply
    111,782,628.42x = 154,259,996.60 × 62,221,927.92
  4. Step 4: Simplify right side
    111,782,628.42x = 9,598,354,389,073,536
  5. Step 5: Solve for x
    x = 9,598,354,389,073,536/111,782,628.42
  6. Step 6: Final answer
    x = 85,866,243.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.