Home / 121,218,332.51-181,789,186.97-43,493,499.34

Finding the Fourth Proportional to 121,218,332.51, 181,789,186.97 and 43,493,499.34

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Solution

The fourth proportional to 121,218,332.51, 181,789,186.97 and 43,493,499.34 is: 65,226,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,218,332.51 : 181,789,186.97 = 43,493,499.34 : x
  2. Step 2: Convert to fraction form
    121,218,332.51/181,789,186.97 = 43,493,499.34/x
  3. Step 3: Cross multiply
    121,218,332.51x = 181,789,186.97 × 43,493,499.34
  4. Step 4: Simplify right side
    121,218,332.51x = 7,906,647,883,153,092
  5. Step 5: Solve for x
    x = 7,906,647,883,153,092/121,218,332.51
  6. Step 6: Final answer
    x = 65,226,502.62

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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.