Home / 68,721,701.45-103,157,245.51-27,809,307.77

Finding the Fourth Proportional to 68,721,701.45, 103,157,245.51 and 27,809,307.77

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Solution

The fourth proportional to 68,721,701.45, 103,157,245.51 and 27,809,307.77 is: 41,744,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721,701.45 : 103,157,245.51 = 27,809,307.77 : x
  2. Step 2: Convert to fraction form
    68,721,701.45/103,157,245.51 = 27,809,307.77/x
  3. Step 3: Cross multiply
    68,721,701.45x = 103,157,245.51 × 27,809,307.77
  4. Step 4: Simplify right side
    68,721,701.45x = 2,868,731,588,507,731
  5. Step 5: Solve for x
    x = 2,868,731,588,507,731/68,721,701.45
  6. Step 6: Final answer
    x = 41,744,187.47

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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.