Home / 77,462,769.69-116,106,956.42-33,780,287.79

Finding the Fourth Proportional to 77,462,769.69, 116,106,956.42 and 33,780,287.79

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Solution

The fourth proportional to 77,462,769.69, 116,106,956.42 and 33,780,287.79 is: 50,632,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,462,769.69 : 116,106,956.42 = 33,780,287.79 : x
  2. Step 2: Convert to fraction form
    77,462,769.69/116,106,956.42 = 33,780,287.79/x
  3. Step 3: Cross multiply
    77,462,769.69x = 116,106,956.42 × 33,780,287.79
  4. Step 4: Simplify right side
    77,462,769.69x = 3,922,126,402,119,687
  5. Step 5: Solve for x
    x = 3,922,126,402,119,687/77,462,769.69
  6. Step 6: Final answer
    x = 50,632,405.97

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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.