Home / 79,214,556.15-109,301,633.55-45,711,812.97

Finding the Fourth Proportional to 79,214,556.15, 109,301,633.55 and 45,711,812.97

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Solution

The fourth proportional to 79,214,556.15, 109,301,633.55 and 45,711,812.97 is: 63,073,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,214,556.15 : 109,301,633.55 = 45,711,812.97 : x
  2. Step 2: Convert to fraction form
    79,214,556.15/109,301,633.55 = 45,711,812.97/x
  3. Step 3: Cross multiply
    79,214,556.15x = 109,301,633.55 × 45,711,812.97
  4. Step 4: Simplify right side
    79,214,556.15x = 4,996,375,830,153,077
  5. Step 5: Solve for x
    x = 4,996,375,830,153,077/79,214,556.15
  6. Step 6: Final answer
    x = 63,073,961.06

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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.