Home / 193,086,262.80-289,965,317.40-102,386,998.80

Finding the Fourth Proportional to 193,086,262.80, 289,965,317.40 and 102,386,998.80

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Solution

The fourth proportional to 193,086,262.80, 289,965,317.40 and 102,386,998.80 is: 153,758,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,086,262.80 : 289,965,317.40 = 102,386,998.80 : x
  2. Step 2: Convert to fraction form
    193,086,262.80/289,965,317.40 = 102,386,998.80/x
  3. Step 3: Cross multiply
    193,086,262.80x = 289,965,317.40 × 102,386,998.80
  4. Step 4: Simplify right side
    193,086,262.80x = 29,688,678,604,675,416
  5. Step 5: Solve for x
    x = 29,688,678,604,675,416/193,086,262.80
  6. Step 6: Final answer
    x = 153,758,626.71

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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.