Home / 123,274,274.44-170,036,585.76-79,276,898.56

Finding the Fourth Proportional to 123,274,274.44, 170,036,585.76 and 79,276,898.56

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Solution

The fourth proportional to 123,274,274.44, 170,036,585.76 and 79,276,898.56 is: 109,349,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,274,274.44 : 170,036,585.76 = 79,276,898.56 : x
  2. Step 2: Convert to fraction form
    123,274,274.44/170,036,585.76 = 79,276,898.56/x
  3. Step 3: Cross multiply
    123,274,274.44x = 170,036,585.76 × 79,276,898.56
  4. Step 4: Simplify right side
    123,274,274.44x = 13,479,973,160,784,260
  5. Step 5: Solve for x
    x = 13,479,973,160,784,260/123,274,274.44
  6. Step 6: Final answer
    x = 109,349,442.31

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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.