Home / 130,365,296.06-179,859,613.61-80,787,580.34

Finding the Fourth Proportional to 130,365,296.06, 179,859,613.61 and 80,787,580.34

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Solution

The fourth proportional to 130,365,296.06, 179,859,613.61 and 80,787,580.34 is: 111,459,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365,296.06 : 179,859,613.61 = 80,787,580.34 : x
  2. Step 2: Convert to fraction form
    130,365,296.06/179,859,613.61 = 80,787,580.34/x
  3. Step 3: Cross multiply
    130,365,296.06x = 179,859,613.61 × 80,787,580.34
  4. Step 4: Simplify right side
    130,365,296.06x = 14,530,422,983,741,904
  5. Step 5: Solve for x
    x = 14,530,422,983,741,904/130,365,296.06
  6. Step 6: Final answer
    x = 111,459,287.28

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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.