Home / 146,431,073.30-202,074,326.81-80,352,677.36

Finding the Fourth Proportional to 146,431,073.30, 202,074,326.81 and 80,352,677.36

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Solution

The fourth proportional to 146,431,073.30, 202,074,326.81 and 80,352,677.36 is: 110,886,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,431,073.30 : 202,074,326.81 = 80,352,677.36 : x
  2. Step 2: Convert to fraction form
    146,431,073.30/202,074,326.81 = 80,352,677.36/x
  3. Step 3: Cross multiply
    146,431,073.30x = 202,074,326.81 × 80,352,677.36
  4. Step 4: Simplify right side
    146,431,073.30x = 16,237,213,185,307,872
  5. Step 5: Solve for x
    x = 16,237,213,185,307,872/146,431,073.30
  6. Step 6: Final answer
    x = 110,886,390.57

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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.