Home / 55,406,119.57-76,460,461.47-30,288,338.03

Finding the Fourth Proportional to 55,406,119.57, 76,460,461.47 and 30,288,338.03

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Solution

The fourth proportional to 55,406,119.57, 76,460,461.47 and 30,288,338.03 is: 41,797,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406,119.57 : 76,460,461.47 = 30,288,338.03 : x
  2. Step 2: Convert to fraction form
    55,406,119.57/76,460,461.47 = 30,288,338.03/x
  3. Step 3: Cross multiply
    55,406,119.57x = 76,460,461.47 × 30,288,338.03
  4. Step 4: Simplify right side
    55,406,119.57x = 2,315,860,302,790,334.50
  5. Step 5: Solve for x
    x = 2,315,860,302,790,334.50/55,406,119.57
  6. Step 6: Final answer
    x = 41,797,915.48

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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.