Home / 71,773,754.70-107,655,408.75-28,046,322.66

Finding the Fourth Proportional to 71,773,754.70, 107,655,408.75 and 28,046,322.66

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Solution

The fourth proportional to 71,773,754.70, 107,655,408.75 and 28,046,322.66 is: 42,067,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,773,754.70 : 107,655,408.75 = 28,046,322.66 : x
  2. Step 2: Convert to fraction form
    71,773,754.70/107,655,408.75 = 28,046,322.66/x
  3. Step 3: Cross multiply
    71,773,754.70x = 107,655,408.75 × 28,046,322.66
  4. Step 4: Simplify right side
    71,773,754.70x = 3,019,338,329,896,687.50
  5. Step 5: Solve for x
    x = 3,019,338,329,896,687.50/71,773,754.70
  6. Step 6: Final answer
    x = 42,067,442.93

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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.