Home / 163,969,930.44-245,950,955.10-53,305,456.68

Finding the Fourth Proportional to 163,969,930.44, 245,950,955.10 and 53,305,456.68

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Solution

The fourth proportional to 163,969,930.44, 245,950,955.10 and 53,305,456.68 is: 79,956,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,969,930.44 : 245,950,955.10 = 53,305,456.68 : x
  2. Step 2: Convert to fraction form
    163,969,930.44/245,950,955.10 = 53,305,456.68/x
  3. Step 3: Cross multiply
    163,969,930.44x = 245,950,955.10 × 53,305,456.68
  4. Step 4: Simplify right side
    163,969,930.44x = 13,110,527,982,487,674
  5. Step 5: Solve for x
    x = 13,110,527,982,487,674/163,969,930.44
  6. Step 6: Final answer
    x = 79,956,903.97

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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.