Home / 103,857,075.76-143,313,836.34-57,435,774.88

Finding the Fourth Proportional to 103,857,075.76, 143,313,836.34 and 57,435,774.88

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Solution

The fourth proportional to 103,857,075.76, 143,313,836.34 and 57,435,774.88 is: 79,256,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,857,075.76 : 143,313,836.34 = 57,435,774.88 : x
  2. Step 2: Convert to fraction form
    103,857,075.76/143,313,836.34 = 57,435,774.88/x
  3. Step 3: Cross multiply
    103,857,075.76x = 143,313,836.34 × 57,435,774.88
  4. Step 4: Simplify right side
    103,857,075.76x = 8,231,341,241,213,404
  5. Step 5: Solve for x
    x = 8,231,341,241,213,404/103,857,075.76
  6. Step 6: Final answer
    x = 79,256,431.79

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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.