Home / 54,978,060.15-75,867,644.36-30,533,348.79

Finding the Fourth Proportional to 54,978,060.15, 75,867,644.36 and 30,533,348.79

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Solution

The fourth proportional to 54,978,060.15, 75,867,644.36 and 30,533,348.79 is: 42,134,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,060.15 : 75,867,644.36 = 30,533,348.79 : x
  2. Step 2: Convert to fraction form
    54,978,060.15/75,867,644.36 = 30,533,348.79/x
  3. Step 3: Cross multiply
    54,978,060.15x = 75,867,644.36 × 30,533,348.79
  4. Step 4: Simplify right side
    54,978,060.15x = 2,316,493,247,232,892
  5. Step 5: Solve for x
    x = 2,316,493,247,232,892/54,978,060.15
  6. Step 6: Final answer
    x = 42,134,866.91

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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.