Home / 102,432,556.80-153,275,587.20-75,558,700.80

Finding the Fourth Proportional to 102,432,556.80, 153,275,587.20 and 75,558,700.80

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Solution

The fourth proportional to 102,432,556.80, 153,275,587.20 and 75,558,700.80 is: 113,062,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432,556.80 : 153,275,587.20 = 75,558,700.80 : x
  2. Step 2: Convert to fraction form
    102,432,556.80/153,275,587.20 = 75,558,700.80/x
  3. Step 3: Cross multiply
    102,432,556.80x = 153,275,587.20 × 75,558,700.80
  4. Step 4: Simplify right side
    102,432,556.80x = 11,581,304,233,189,108
  5. Step 5: Solve for x
    x = 11,581,304,233,189,108/102,432,556.80
  6. Step 6: Final answer
    x = 113,062,727.27

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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.