Home / 171,177,315.12-236,224,694.86-97,840,031.76

Finding the Fourth Proportional to 171,177,315.12, 236,224,694.86 and 97,840,031.76

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Solution

The fourth proportional to 171,177,315.12, 236,224,694.86 and 97,840,031.76 is: 135,019,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,177,315.12 : 236,224,694.86 = 97,840,031.76 : x
  2. Step 2: Convert to fraction form
    171,177,315.12/236,224,694.86 = 97,840,031.76/x
  3. Step 3: Cross multiply
    171,177,315.12x = 236,224,694.86 × 97,840,031.76
  4. Step 4: Simplify right side
    171,177,315.12x = 23,112,231,647,598,712
  5. Step 5: Solve for x
    x = 23,112,231,647,598,712/171,177,315.12
  6. Step 6: Final answer
    x = 135,019,243.83

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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.