Home / 550,571,389.67-825,834,687.12-136,037,771.61

Finding the Fourth Proportional to 550,571,389.67, 825,834,687.12 and 136,037,771.61

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Solution

The fourth proportional to 550,571,389.67, 825,834,687.12 and 136,037,771.61 is: 204,051,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,571,389.67 : 825,834,687.12 = 136,037,771.61 : x
  2. Step 2: Convert to fraction form
    550,571,389.67/825,834,687.12 = 136,037,771.61/x
  3. Step 3: Cross multiply
    550,571,389.67x = 825,834,687.12 × 136,037,771.61
  4. Step 4: Simplify right side
    550,571,389.67x = 112,344,710,554,046,384
  5. Step 5: Solve for x
    x = 112,344,710,554,046,384/550,571,389.67
  6. Step 6: Final answer
    x = 204,051,123.37

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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.