Home / 54,980,732.20-75,873,587.74-30,534,446.20

Finding the Fourth Proportional to 54,980,732.20, 75,873,587.74 and 30,534,446.20

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Solution

The fourth proportional to 54,980,732.20, 75,873,587.74 and 30,534,446.20 is: 42,137,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980,732.20 : 75,873,587.74 = 30,534,446.20 : x
  2. Step 2: Convert to fraction form
    54,980,732.20/75,873,587.74 = 30,534,446.20/x
  3. Step 3: Cross multiply
    54,980,732.20x = 75,873,587.74 × 30,534,446.20
  4. Step 4: Simplify right side
    54,980,732.20x = 2,316,757,982,848,009.50
  5. Step 5: Solve for x
    x = 2,316,757,982,848,009.50/54,980,732.20
  6. Step 6: Final answer
    x = 42,137,634.22

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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.