Home / 55,406,156.74-76,460,512.82-30,288,375.18

Finding the Fourth Proportional to 55,406,156.74, 76,460,512.82 and 30,288,375.18

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Solution

The fourth proportional to 55,406,156.74, 76,460,512.82 and 30,288,375.18 is: 41,797,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406,156.74 : 76,460,512.82 = 30,288,375.18 : x
  2. Step 2: Convert to fraction form
    55,406,156.74/76,460,512.82 = 30,288,375.18/x
  3. Step 3: Cross multiply
    55,406,156.74x = 76,460,512.82 × 30,288,375.18
  4. Step 4: Simplify right side
    55,406,156.74x = 2,315,864,698,747,359.50
  5. Step 5: Solve for x
    x = 2,315,864,698,747,359.50/55,406,156.74
  6. Step 6: Final answer
    x = 41,797,966.78

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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.