Home / 72,293,911.10-108,440,175.45-17,706,736.70

Finding the Fourth Proportional to 72,293,911.10, 108,440,175.45 and 17,706,736.70

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Solution

The fourth proportional to 72,293,911.10, 108,440,175.45 and 17,706,736.70 is: 26,559,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293,911.10 : 108,440,175.45 = 17,706,736.70 : x
  2. Step 2: Convert to fraction form
    72,293,911.10/108,440,175.45 = 17,706,736.70/x
  3. Step 3: Cross multiply
    72,293,911.10x = 108,440,175.45 × 17,706,736.70
  4. Step 4: Simplify right side
    72,293,911.10x = 1,920,121,634,394,954
  5. Step 5: Solve for x
    x = 1,920,121,634,394,954/72,293,911.10
  6. Step 6: Final answer
    x = 26,559,935.76

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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.