Home / 412,304,109.71-618,456,279.47-121,171,216.46

Finding the Fourth Proportional to 412,304,109.71, 618,456,279.47 and 121,171,216.46

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Solution

The fourth proportional to 412,304,109.71, 618,456,279.47 and 121,171,216.46 is: 181,756,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,304,109.71 : 618,456,279.47 = 121,171,216.46 : x
  2. Step 2: Convert to fraction form
    412,304,109.71/618,456,279.47 = 121,171,216.46/x
  3. Step 3: Cross multiply
    412,304,109.71x = 618,456,279.47 × 121,171,216.46
  4. Step 4: Simplify right side
    412,304,109.71x = 74,939,099,707,007,488
  5. Step 5: Solve for x
    x = 74,939,099,707,007,488/412,304,109.71
  6. Step 6: Final answer
    x = 181,756,858.45

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