Home / 54,978,035.67-75,867,610.70-30,533,324.31

Finding the Fourth Proportional to 54,978,035.67, 75,867,610.70 and 30,533,324.31

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Solution

The fourth proportional to 54,978,035.67, 75,867,610.70 and 30,533,324.31 is: 42,134,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,035.67 : 75,867,610.70 = 30,533,324.31 : x
  2. Step 2: Convert to fraction form
    54,978,035.67/75,867,610.70 = 30,533,324.31/x
  3. Step 3: Cross multiply
    54,978,035.67x = 75,867,610.70 × 30,533,324.31
  4. Step 4: Simplify right side
    54,978,035.67x = 2,316,490,361,975,259
  5. Step 5: Solve for x
    x = 2,316,490,361,975,259/54,978,035.67
  6. Step 6: Final answer
    x = 42,134,833.19

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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.