Home / 56,490,747.58-77,959,820.82-31,372,971.76

Finding the Fourth Proportional to 56,490,747.58, 77,959,820.82 and 31,372,971.76

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Solution

The fourth proportional to 56,490,747.58, 77,959,820.82 and 31,372,971.76 is: 43,296,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490,747.58 : 77,959,820.82 = 31,372,971.76 : x
  2. Step 2: Convert to fraction form
    56,490,747.58/77,959,820.82 = 31,372,971.76/x
  3. Step 3: Cross multiply
    56,490,747.58x = 77,959,820.82 × 31,372,971.76
  4. Step 4: Simplify right side
    56,490,747.58x = 2,445,831,257,000,520
  5. Step 5: Solve for x
    x = 2,445,831,257,000,520/56,490,747.58
  6. Step 6: Final answer
    x = 43,296,138.96

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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.