Home / 52,938,865.66-79,374,312.51-20,556,262.84

Finding the Fourth Proportional to 52,938,865.66, 79,374,312.51 and 20,556,262.84

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Solution

The fourth proportional to 52,938,865.66, 79,374,312.51 and 20,556,262.84 is: 30,821,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,938,865.66 : 79,374,312.51 = 20,556,262.84 : x
  2. Step 2: Convert to fraction form
    52,938,865.66/79,374,312.51 = 20,556,262.84/x
  3. Step 3: Cross multiply
    52,938,865.66x = 79,374,312.51 × 20,556,262.84
  4. Step 4: Simplify right side
    52,938,865.66x = 1,631,639,230,699,860.25
  5. Step 5: Solve for x
    x = 1,631,639,230,699,860.25/52,938,865.66
  6. Step 6: Final answer
    x = 30,821,197.44

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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.