Home / 57,990,663.96-80,024,964-31,883,628.48

Finding the Fourth Proportional to 57,990,663.96, 80,024,964 and 31,883,628.48

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Solution

The fourth proportional to 57,990,663.96, 80,024,964 and 31,883,628.48 is: 43,998,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990,663.96 : 80,024,964 = 31,883,628.48 : x
  2. Step 2: Convert to fraction form
    57,990,663.96/80,024,964 = 31,883,628.48/x
  3. Step 3: Cross multiply
    57,990,663.96x = 80,024,964 × 31,883,628.48
  4. Step 4: Simplify right side
    57,990,663.96x = 2,551,486,221,301,375
  5. Step 5: Solve for x
    x = 2,551,486,221,301,375/57,990,663.96
  6. Step 6: Final answer
    x = 43,998,223.97

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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.