Home / 130,236,309.09-179,728,212.33-71,504,388.45

Finding the Fourth Proportional to 130,236,309.09, 179,728,212.33 and 71,504,388.45

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Solution

The fourth proportional to 130,236,309.09, 179,728,212.33 and 71,504,388.45 is: 98,677,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,236,309.09 : 179,728,212.33 = 71,504,388.45 : x
  2. Step 2: Convert to fraction form
    130,236,309.09/179,728,212.33 = 71,504,388.45/x
  3. Step 3: Cross multiply
    130,236,309.09x = 179,728,212.33 × 71,504,388.45
  4. Step 4: Simplify right side
    130,236,309.09x = 12,851,355,909,868,402
  5. Step 5: Solve for x
    x = 12,851,355,909,868,402/130,236,309.09
  6. Step 6: Final answer
    x = 98,677,212.21

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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.