Home / 126,061,895.80-189,112,394.58-53,278,982.92

Finding the Fourth Proportional to 126,061,895.80, 189,112,394.58 and 53,278,982.92

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Solution

The fourth proportional to 126,061,895.80, 189,112,394.58 and 53,278,982.92 is: 79,926,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,061,895.80 : 189,112,394.58 = 53,278,982.92 : x
  2. Step 2: Convert to fraction form
    126,061,895.80/189,112,394.58 = 53,278,982.92/x
  3. Step 3: Cross multiply
    126,061,895.80x = 189,112,394.58 × 53,278,982.92
  4. Step 4: Simplify right side
    126,061,895.80x = 10,075,716,040,788,122
  5. Step 5: Solve for x
    x = 10,075,716,040,788,122/126,061,895.80
  6. Step 6: Final answer
    x = 79,926,737.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.