Home / 100,304,371.63-138,421,175.91-55,651,167.91

Finding the Fourth Proportional to 100,304,371.63, 138,421,175.91 and 55,651,167.91

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Solution

The fourth proportional to 100,304,371.63, 138,421,175.91 and 55,651,167.91 is: 76,799,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,304,371.63 : 138,421,175.91 = 55,651,167.91 : x
  2. Step 2: Convert to fraction form
    100,304,371.63/138,421,175.91 = 55,651,167.91/x
  3. Step 3: Cross multiply
    100,304,371.63x = 138,421,175.91 × 55,651,167.91
  4. Step 4: Simplify right side
    100,304,371.63x = 7,703,300,102,052,773
  5. Step 5: Solve for x
    x = 7,703,300,102,052,773/100,304,371.63
  6. Step 6: Final answer
    x = 76,799,245.91

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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.