Home / 115,442,786.09-159,309,075.80-62,519,063.70

Finding the Fourth Proportional to 115,442,786.09, 159,309,075.80 and 62,519,063.70

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Solution

The fourth proportional to 115,442,786.09, 159,309,075.80 and 62,519,063.70 is: 86,275,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442,786.09 : 159,309,075.80 = 62,519,063.70 : x
  2. Step 2: Convert to fraction form
    115,442,786.09/159,309,075.80 = 62,519,063.70/x
  3. Step 3: Cross multiply
    115,442,786.09x = 159,309,075.80 × 62,519,063.70
  4. Step 4: Simplify right side
    115,442,786.09x = 9,959,854,257,928,330
  5. Step 5: Solve for x
    x = 9,959,854,257,928,330/115,442,786.09
  6. Step 6: Final answer
    x = 86,275,241.57

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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.