Home / 74,848,770.96-103,392,401.49-56,403,339.42

Finding the Fourth Proportional to 74,848,770.96, 103,392,401.49 and 56,403,339.42

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Solution

The fourth proportional to 74,848,770.96, 103,392,401.49 and 56,403,339.42 is: 77,912,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,848,770.96 : 103,392,401.49 = 56,403,339.42 : x
  2. Step 2: Convert to fraction form
    74,848,770.96/103,392,401.49 = 56,403,339.42/x
  3. Step 3: Cross multiply
    74,848,770.96x = 103,392,401.49 × 56,403,339.42
  4. Step 4: Simplify right side
    74,848,770.96x = 5,831,676,714,689,384
  5. Step 5: Solve for x
    x = 5,831,676,714,689,384/74,848,770.96
  6. Step 6: Final answer
    x = 77,912,791.89

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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.