Home / 172,451,960,324.45-258,687,075,956.25-53,151,225,491.87

Finding the Fourth Proportional to 172,451,960,324.45, 258,687,075,956.25 and 53,151,225,491.87

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Solution

The fourth proportional to 172,451,960,324.45, 258,687,075,956.25 and 53,151,225,491.87 is: 79,729,653,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,451,960,324.45 : 258,687,075,956.25 = 53,151,225,491.87 : x
  2. Step 2: Convert to fraction form
    172,451,960,324.45/258,687,075,956.25 = 53,151,225,491.87/x
  3. Step 3: Cross multiply
    172,451,960,324.45x = 258,687,075,956.25 × 53,151,225,491.87
  4. Step 4: Simplify right side
    172,451,960,324.45x = 13,749,535,105,981,851,107,328
  5. Step 5: Solve for x
    x = 13,749,535,105,981,851,107,328/172,451,960,324.45
  6. Step 6: Final answer
    x = 79,729,653,870.64

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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.