Home / 103,857,071.76-143,313,830.82-57,435,770.88

Finding the Fourth Proportional to 103,857,071.76, 143,313,830.82 and 57,435,770.88

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Solution

The fourth proportional to 103,857,071.76, 143,313,830.82 and 57,435,770.88 is: 79,256,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,857,071.76 : 143,313,830.82 = 57,435,770.88 : x
  2. Step 2: Convert to fraction form
    103,857,071.76/143,313,830.82 = 57,435,770.88/x
  3. Step 3: Cross multiply
    103,857,071.76x = 143,313,830.82 × 57,435,770.88
  4. Step 4: Simplify right side
    103,857,071.76x = 8,231,340,350,912,602
  5. Step 5: Solve for x
    x = 8,231,340,350,912,602/103,857,071.76
  6. Step 6: Final answer
    x = 79,256,426.27

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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.