Home / 56,959,481.81-78,604,462.31-30,853,999.64

Finding the Fourth Proportional to 56,959,481.81, 78,604,462.31 and 30,853,999.64

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Solution

The fourth proportional to 56,959,481.81, 78,604,462.31 and 30,853,999.64 is: 42,578,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959,481.81 : 78,604,462.31 = 30,853,999.64 : x
  2. Step 2: Convert to fraction form
    56,959,481.81/78,604,462.31 = 30,853,999.64/x
  3. Step 3: Cross multiply
    56,959,481.81x = 78,604,462.31 × 30,853,999.64
  4. Step 4: Simplify right side
    56,959,481.81x = 2,425,262,051,267,841.50
  5. Step 5: Solve for x
    x = 2,425,262,051,267,841.50/56,959,481.81
  6. Step 6: Final answer
    x = 42,578,723.94

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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.