Home / 277,968,431.70-383,437,063.71-173,364,898.86

Finding the Fourth Proportional to 277,968,431.70, 383,437,063.71 and 173,364,898.86

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Solution

The fourth proportional to 277,968,431.70, 383,437,063.71 and 173,364,898.86 is: 239,144,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,968,431.70 : 383,437,063.71 = 173,364,898.86 : x
  2. Step 2: Convert to fraction form
    277,968,431.70/383,437,063.71 = 173,364,898.86/x
  3. Step 3: Cross multiply
    277,968,431.70x = 383,437,063.71 × 173,364,898.86
  4. Step 4: Simplify right side
    277,968,431.70x = 66,474,527,769,259,528
  5. Step 5: Solve for x
    x = 66,474,527,769,259,528/277,968,431.70
  6. Step 6: Final answer
    x = 239,144,162.39

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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.