Home / 54,978,067.02-75,867,653.85-30,533,355.66

Finding the Fourth Proportional to 54,978,067.02, 75,867,653.85 and 30,533,355.66

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Solution

The fourth proportional to 54,978,067.02, 75,867,653.85 and 30,533,355.66 is: 42,134,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,067.02 : 75,867,653.85 = 30,533,355.66 : x
  2. Step 2: Convert to fraction form
    54,978,067.02/75,867,653.85 = 30,533,355.66/x
  3. Step 3: Cross multiply
    54,978,067.02x = 75,867,653.85 × 30,533,355.66
  4. Step 4: Simplify right side
    54,978,067.02x = 2,316,494,058,091,818
  5. Step 5: Solve for x
    x = 2,316,494,058,091,818/54,978,067.02
  6. Step 6: Final answer
    x = 42,134,876.39

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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.