Home / 56,902,536.96-78,524,822.08-30,796,437.92

Finding the Fourth Proportional to 56,902,536.96, 78,524,822.08 and 30,796,437.92

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Solution

The fourth proportional to 56,902,536.96, 78,524,822.08 and 30,796,437.92 is: 42,498,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,902,536.96 : 78,524,822.08 = 30,796,437.92 : x
  2. Step 2: Convert to fraction form
    56,902,536.96/78,524,822.08 = 30,796,437.92/x
  3. Step 3: Cross multiply
    56,902,536.96x = 78,524,822.08 × 30,796,437.92
  4. Step 4: Simplify right side
    56,902,536.96x = 2,418,284,808,365,765.50
  5. Step 5: Solve for x
    x = 2,418,284,808,365,765.50/56,902,536.96
  6. Step 6: Final answer
    x = 42,498,716.89

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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.