Home / 54,158,676.72-74,738,968.44-30,636,710.88

Finding the Fourth Proportional to 54,158,676.72, 74,738,968.44 and 30,636,710.88

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Solution

The fourth proportional to 54,158,676.72, 74,738,968.44 and 30,636,710.88 is: 42,278,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158,676.72 : 74,738,968.44 = 30,636,710.88 : x
  2. Step 2: Convert to fraction form
    54,158,676.72/74,738,968.44 = 30,636,710.88/x
  3. Step 3: Cross multiply
    54,158,676.72x = 74,738,968.44 × 30,636,710.88
  4. Step 4: Simplify right side
    54,158,676.72x = 2,289,756,167,565,724.50
  5. Step 5: Solve for x
    x = 2,289,756,167,565,724.50/54,158,676.72
  6. Step 6: Final answer
    x = 42,278,657.94

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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.