Home / 51,958,172.82-71,702,417.49-28,754,899.86

Finding the Fourth Proportional to 51,958,172.82, 71,702,417.49 and 28,754,899.86

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Solution

The fourth proportional to 51,958,172.82, 71,702,417.49 and 28,754,899.86 is: 39,681,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,958,172.82 : 71,702,417.49 = 28,754,899.86 : x
  2. Step 2: Convert to fraction form
    51,958,172.82/71,702,417.49 = 28,754,899.86/x
  3. Step 3: Cross multiply
    51,958,172.82x = 71,702,417.49 × 28,754,899.86
  4. Step 4: Simplify right side
    51,958,172.82x = 2,061,795,834,644,862.25
  5. Step 5: Solve for x
    x = 2,061,795,834,644,862.25/51,958,172.82
  6. Step 6: Final answer
    x = 39,681,838.73

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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.