Home / 144,751,412.20-217,127,118.30-76,726,964.20

Finding the Fourth Proportional to 144,751,412.20, 217,127,118.30 and 76,726,964.20

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Solution

The fourth proportional to 144,751,412.20, 217,127,118.30 and 76,726,964.20 is: 115,090,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,751,412.20 : 217,127,118.30 = 76,726,964.20 : x
  2. Step 2: Convert to fraction form
    144,751,412.20/217,127,118.30 = 76,726,964.20/x
  3. Step 3: Cross multiply
    144,751,412.20x = 217,127,118.30 × 76,726,964.20
  4. Step 4: Simplify right side
    144,751,412.20x = 16,659,504,632,653,266
  5. Step 5: Solve for x
    x = 16,659,504,632,653,266/144,751,412.20
  6. Step 6: Final answer
    x = 115,090,446.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.