Home / 51,665,848.96-71,295,190.08-30,756,772.48

Finding the Fourth Proportional to 51,665,848.96, 71,295,190.08 and 30,756,772.48

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Solution

The fourth proportional to 51,665,848.96, 71,295,190.08 and 30,756,772.48 is: 42,442,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665,848.96 : 71,295,190.08 = 30,756,772.48 : x
  2. Step 2: Convert to fraction form
    51,665,848.96/71,295,190.08 = 30,756,772.48/x
  3. Step 3: Cross multiply
    51,665,848.96x = 71,295,190.08 × 30,756,772.48
  4. Step 4: Simplify right side
    51,665,848.96x = 2,192,809,940,208,913
  5. Step 5: Solve for x
    x = 2,192,809,940,208,913/51,665,848.96
  6. Step 6: Final answer
    x = 42,442,154.43

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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.