Home / 218,848,885.87-328,272,924.05-71,296,269.63

Finding the Fourth Proportional to 218,848,885.87, 328,272,924.05 and 71,296,269.63

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Solution

The fourth proportional to 218,848,885.87, 328,272,924.05 and 71,296,269.63 is: 106,944,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,848,885.87 : 328,272,924.05 = 71,296,269.63 : x
  2. Step 2: Convert to fraction form
    218,848,885.87/328,272,924.05 = 71,296,269.63/x
  3. Step 3: Cross multiply
    218,848,885.87x = 328,272,924.05 × 71,296,269.63
  4. Step 4: Simplify right side
    218,848,885.87x = 23,404,634,906,746,148
  5. Step 5: Solve for x
    x = 23,404,634,906,746,148/218,848,885.87
  6. Step 6: Final answer
    x = 106,944,272.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.