Home / 103,857,076.76-143,313,837.72-57,435,775.88

Finding the Fourth Proportional to 103,857,076.76, 143,313,837.72 and 57,435,775.88

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Solution

The fourth proportional to 103,857,076.76, 143,313,837.72 and 57,435,775.88 is: 79,256,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,857,076.76 : 143,313,837.72 = 57,435,775.88 : x
  2. Step 2: Convert to fraction form
    103,857,076.76/143,313,837.72 = 57,435,775.88/x
  3. Step 3: Cross multiply
    103,857,076.76x = 143,313,837.72 × 57,435,775.88
  4. Step 4: Simplify right side
    103,857,076.76x = 8,231,341,463,788,611
  5. Step 5: Solve for x
    x = 8,231,341,463,788,611/103,857,076.76
  6. Step 6: Final answer
    x = 79,256,433.17

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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.