Home / 150,623,654.72-225,832,337.06-76,704,347.88

Finding the Fourth Proportional to 150,623,654.72, 225,832,337.06 and 76,704,347.88

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Solution

The fourth proportional to 150,623,654.72, 225,832,337.06 and 76,704,347.88 is: 115,003,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,623,654.72 : 225,832,337.06 = 76,704,347.88 : x
  2. Step 2: Convert to fraction form
    150,623,654.72/225,832,337.06 = 76,704,347.88/x
  3. Step 3: Cross multiply
    150,623,654.72x = 225,832,337.06 × 76,704,347.88
  4. Step 4: Simplify right side
    150,623,654.72x = 17,322,322,144,020,134
  5. Step 5: Solve for x
    x = 17,322,322,144,020,134/150,623,654.72
  6. Step 6: Final answer
    x = 115,003,995.73

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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.