Home / 131,557,382.64-181,507,451.38-76,542,610.32

Finding the Fourth Proportional to 131,557,382.64, 181,507,451.38 and 76,542,610.32

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Solution

The fourth proportional to 131,557,382.64, 181,507,451.38 and 76,542,610.32 is: 105,604,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,557,382.64 : 181,507,451.38 = 76,542,610.32 : x
  2. Step 2: Convert to fraction form
    131,557,382.64/181,507,451.38 = 76,542,610.32/x
  3. Step 3: Cross multiply
    131,557,382.64x = 181,507,451.38 × 76,542,610.32
  4. Step 4: Simplify right side
    131,557,382.64x = 13,893,054,121,155,684
  5. Step 5: Solve for x
    x = 13,893,054,121,155,684/131,557,382.64
  6. Step 6: Final answer
    x = 105,604,519.05

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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.