Home / 55,551,556.80-76,664,308.64-31,105,056.96

Finding the Fourth Proportional to 55,551,556.80, 76,664,308.64 and 31,105,056.96

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Solution

The fourth proportional to 55,551,556.80, 76,664,308.64 and 31,105,056.96 is: 42,926,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551,556.80 : 76,664,308.64 = 31,105,056.96 : x
  2. Step 2: Convert to fraction form
    55,551,556.80/76,664,308.64 = 31,105,056.96/x
  3. Step 3: Cross multiply
    55,551,556.80x = 76,664,308.64 × 31,105,056.96
  4. Step 4: Simplify right side
    55,551,556.80x = 2,384,647,687,046,220
  5. Step 5: Solve for x
    x = 2,384,647,687,046,220/55,551,556.80
  6. Step 6: Final answer
    x = 42,926,748.13

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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.