Home / 168,886,322.46-232,942,951.97-154,992,553.80

Finding the Fourth Proportional to 168,886,322.46, 232,942,951.97 and 154,992,553.80

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Solution

The fourth proportional to 168,886,322.46, 232,942,951.97 and 154,992,553.80 is: 213,779,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,886,322.46 : 232,942,951.97 = 154,992,553.80 : x
  2. Step 2: Convert to fraction form
    168,886,322.46/232,942,951.97 = 154,992,553.80/x
  3. Step 3: Cross multiply
    168,886,322.46x = 232,942,951.97 × 154,992,553.80
  4. Step 4: Simplify right side
    168,886,322.46x = 36,104,423,014,766,080
  5. Step 5: Solve for x
    x = 36,104,423,014,766,080/168,886,322.46
  6. Step 6: Final answer
    x = 213,779,437.49

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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.