Home / 129,732,772,175.26-194,528,218,028.82-103,012,979,772.33

Finding the Fourth Proportional to 129,732,772,175.26, 194,528,218,028.82 and 103,012,979,772.33

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Solution

The fourth proportional to 129,732,772,175.26, 194,528,218,028.82 and 103,012,979,772.33 is: 154,463,140,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,732,772,175.26 : 194,528,218,028.82 = 103,012,979,772.33 : x
  2. Step 2: Convert to fraction form
    129,732,772,175.26/194,528,218,028.82 = 103,012,979,772.33/x
  3. Step 3: Cross multiply
    129,732,772,175.26x = 194,528,218,028.82 × 103,012,979,772.33
  4. Step 4: Simplify right side
    129,732,772,175.26x = 20,038,931,388,950,233,743,360
  5. Step 5: Solve for x
    x = 20,038,931,388,950,233,743,360/129,732,772,175.26
  6. Step 6: Final answer
    x = 154,463,140,291.79

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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.