Home / 52,321,396.12-72,195,851.82-31,408,994.68

Finding the Fourth Proportional to 52,321,396.12, 72,195,851.82 and 31,408,994.68

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Solution

The fourth proportional to 52,321,396.12, 72,195,851.82 and 31,408,994.68 is: 43,339,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321,396.12 : 72,195,851.82 = 31,408,994.68 : x
  2. Step 2: Convert to fraction form
    52,321,396.12/72,195,851.82 = 31,408,994.68/x
  3. Step 3: Cross multiply
    52,321,396.12x = 72,195,851.82 × 31,408,994.68
  4. Step 4: Simplify right side
    52,321,396.12x = 2,267,599,125,732,448
  5. Step 5: Solve for x
    x = 2,267,599,125,732,448/52,321,396.12
  6. Step 6: Final answer
    x = 43,339,805.39

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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.