Home / 313,096,877.37-432,078,894.54-171,981,145.98

Finding the Fourth Proportional to 313,096,877.37, 432,078,894.54 and 171,981,145.98

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Solution

The fourth proportional to 313,096,877.37, 432,078,894.54 and 171,981,145.98 is: 237,336,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,096,877.37 : 432,078,894.54 = 171,981,145.98 : x
  2. Step 2: Convert to fraction form
    313,096,877.37/432,078,894.54 = 171,981,145.98/x
  3. Step 3: Cross multiply
    313,096,877.37x = 432,078,894.54 × 171,981,145.98
  4. Step 4: Simplify right side
    313,096,877.37x = 74,309,423,436,760,768
  5. Step 5: Solve for x
    x = 74,309,423,436,760,768/313,096,877.37
  6. Step 6: Final answer
    x = 237,336,839.83

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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.