Home / 52,938,864.66-79,374,311.01-20,556,261.84

Finding the Fourth Proportional to 52,938,864.66, 79,374,311.01 and 20,556,261.84

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Solution

The fourth proportional to 52,938,864.66, 79,374,311.01 and 20,556,261.84 is: 30,821,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,938,864.66 : 79,374,311.01 = 20,556,261.84 : x
  2. Step 2: Convert to fraction form
    52,938,864.66/79,374,311.01 = 20,556,261.84/x
  3. Step 3: Cross multiply
    52,938,864.66x = 79,374,311.01 × 20,556,261.84
  4. Step 4: Simplify right side
    52,938,864.66x = 1,631,639,120,491,155
  5. Step 5: Solve for x
    x = 1,631,639,120,491,155/52,938,864.66
  6. Step 6: Final answer
    x = 30,821,195.94

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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.