Home / 55,374,991.20-76,418,289.60-30,595,748.16

Finding the Fourth Proportional to 55,374,991.20, 76,418,289.60 and 30,595,748.16

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Solution

The fourth proportional to 55,374,991.20, 76,418,289.60 and 30,595,748.16 is: 42,222,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374,991.20 : 76,418,289.60 = 30,595,748.16 : x
  2. Step 2: Convert to fraction form
    55,374,991.20/76,418,289.60 = 30,595,748.16/x
  3. Step 3: Cross multiply
    55,374,991.20x = 76,418,289.60 × 30,595,748.16
  4. Step 4: Simplify right side
    55,374,991.20x = 2,338,074,743,419,547
  5. Step 5: Solve for x
    x = 2,338,074,743,419,547/55,374,991.20
  6. Step 6: Final answer
    x = 42,222,575.44

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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.