Home / 124,845,619.80-187,268,429.70-109,729,075.80

Finding the Fourth Proportional to 124,845,619.80, 187,268,429.70 and 109,729,075.80

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Solution

The fourth proportional to 124,845,619.80, 187,268,429.70 and 109,729,075.80 is: 164,593,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,845,619.80 : 187,268,429.70 = 109,729,075.80 : x
  2. Step 2: Convert to fraction form
    124,845,619.80/187,268,429.70 = 109,729,075.80/x
  3. Step 3: Cross multiply
    124,845,619.80x = 187,268,429.70 × 109,729,075.80
  4. Step 4: Simplify right side
    124,845,619.80x = 20,548,791,717,498,268
  5. Step 5: Solve for x
    x = 20,548,791,717,498,268/124,845,619.80
  6. Step 6: Final answer
    x = 164,593,613.70

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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.