Home / 56,959,481.56-78,604,461.96-30,853,999.39

Finding the Fourth Proportional to 56,959,481.56, 78,604,461.96 and 30,853,999.39

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Solution

The fourth proportional to 56,959,481.56, 78,604,461.96 and 30,853,999.39 is: 42,578,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959,481.56 : 78,604,461.96 = 30,853,999.39 : x
  2. Step 2: Convert to fraction form
    56,959,481.56/78,604,461.96 = 30,853,999.39/x
  3. Step 3: Cross multiply
    56,959,481.56x = 78,604,461.96 × 30,853,999.39
  4. Step 4: Simplify right side
    56,959,481.56x = 2,425,262,021,365,118
  5. Step 5: Solve for x
    x = 2,425,262,021,365,118/56,959,481.56
  6. Step 6: Final answer
    x = 42,578,723.59

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1.5x scale

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.